Finding the Fourth Proportional to 375,763.38, 518,560.14 and 203,686.98
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Solution
The fourth proportional to 375,763.38, 518,560.14 and 203,686.98 is: 281,091.65
Step by Step Solution
- Step 1: Write the proportion equation
375,763.38 : 518,560.14 = 203,686.98 : x - Step 2: Convert to fraction form
375,763.38/518,560.14 = 203,686.98/x - Step 3: Cross multiply
375,763.38x = 518,560.14 × 203,686.98 - Step 4: Simplify right side
375,763.38x = 105,623,948,864.98 - Step 5: Solve for x
x = 105,623,948,864.98/375,763.38 - Step 6: Final answer
x = 281,091.65
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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.