Finding the Fourth Proportional to 510,654.12, 704,659.14 and 284,320.68
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Solution
The fourth proportional to 510,654.12, 704,659.14 and 284,320.68 is: 392,338.29
Step by Step Solution
- Step 1: Write the proportion equation
510,654.12 : 704,659.14 = 284,320.68 : x - Step 2: Convert to fraction form
510,654.12/704,659.14 = 284,320.68/x - Step 3: Cross multiply
510,654.12x = 704,659.14 × 284,320.68 - Step 4: Simplify right side
510,654.12x = 200,349,165,853.02 - Step 5: Solve for x
x = 200,349,165,853.02/510,654.12 - Step 6: Final answer
x = 392,338.29
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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.