Finding the Fourth Proportional to 402,958.60, 604,265.10 and 203,201.80
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Solution
The fourth proportional to 402,958.60, 604,265.10 and 203,201.80 is: 304,715.56
Step by Step Solution
- Step 1: Write the proportion equation
402,958.60 : 604,265.10 = 203,201.80 : x - Step 2: Convert to fraction form
402,958.60/604,265.10 = 203,201.80/x - Step 3: Cross multiply
402,958.60x = 604,265.10 × 203,201.80 - Step 4: Simplify right side
402,958.60x = 122,787,755,997.18 - Step 5: Solve for x
x = 122,787,755,997.18/402,958.60 - Step 6: Final answer
x = 304,715.56
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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.