Finding the Fourth Proportional to 292,913.60, 439,370.40 and 173,163.20
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Solution
The fourth proportional to 292,913.60, 439,370.40 and 173,163.20 is: 259,744.80
Step by Step Solution
- Step 1: Write the proportion equation
292,913.60 : 439,370.40 = 173,163.20 : x - Step 2: Convert to fraction form
292,913.60/439,370.40 = 173,163.20/x - Step 3: Cross multiply
292,913.60x = 439,370.40 × 173,163.20 - Step 4: Simplify right side
292,913.60x = 76,082,784,449.28 - Step 5: Solve for x
x = 76,082,784,449.28/292,913.60 - Step 6: Final answer
x = 259,744.80
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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.