Finding the Fourth Proportional to 361,948.96, 499,489.68 and 202,972.96
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Solution
The fourth proportional to 361,948.96, 499,489.68 and 202,972.96 is: 280,102.75
Step by Step Solution
- Step 1: Write the proportion equation
361,948.96 : 499,489.68 = 202,972.96 : x - Step 2: Convert to fraction form
361,948.96/499,489.68 = 202,972.96/x - Step 3: Cross multiply
361,948.96x = 499,489.68 × 202,972.96 - Step 4: Simplify right side
361,948.96x = 101,382,898,839.05 - Step 5: Solve for x
x = 101,382,898,839.05/361,948.96 - Step 6: Final answer
x = 280,102.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.