Finding the Fourth Proportional to 174,730.20, 261,711.12 and 144,400.70
Calculator
Solution
The fourth proportional to 174,730.20, 261,711.12 and 144,400.70 is: 216,283.55
Step by Step Solution
- Step 1: Write the proportion equation
174,730.20 : 261,711.12 = 144,400.70 : x - Step 2: Convert to fraction form
174,730.20/261,711.12 = 144,400.70/x - Step 3: Cross multiply
174,730.20x = 261,711.12 × 144,400.70 - Step 4: Simplify right side
174,730.20x = 37,791,268,271.51 - Step 5: Solve for x
x = 37,791,268,271.51/174,730.20 - Step 6: Final answer
x = 216,283.55
Related Problems
Find fourth proportional to 87,365.10, 130,855.56 and 72,200.35
Half scale
Find fourth proportional to 349,460.40, 523,422.24 and 288,801.40
Double scale
Find fourth proportional to 174,731.20, 261,712.62 and 144,401.70
Similar ratio
Find fourth proportional to 262,095.30, 392,566.68 and 216,601.05
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.