Finding the Fourth Proportional to 354,811.40, 532,217.10 and 350,145.80
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Solution
The fourth proportional to 354,811.40, 532,217.10 and 350,145.80 is: 525,218.70
Step by Step Solution
- Step 1: Write the proportion equation
354,811.40 : 532,217.10 = 350,145.80 : x - Step 2: Convert to fraction form
354,811.40/532,217.10 = 350,145.80/x - Step 3: Cross multiply
354,811.40x = 532,217.10 × 350,145.80 - Step 4: Simplify right side
354,811.40x = 186,353,582,253.18 - Step 5: Solve for x
x = 186,353,582,253.18/354,811.40 - Step 6: Final answer
x = 525,218.70
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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.