Finding the Fourth Proportional to 465,881.69, 642,654.17 and 279,564.97
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Solution
The fourth proportional to 465,881.69, 642,654.17 and 279,564.97 is: 385,642.10
Step by Step Solution
- Step 1: Write the proportion equation
465,881.69 : 642,654.17 = 279,564.97 : x - Step 2: Convert to fraction form
465,881.69/642,654.17 = 279,564.97/x - Step 3: Cross multiply
465,881.69x = 642,654.17 × 279,564.97 - Step 4: Simplify right side
465,881.69x = 179,663,593,005.31 - Step 5: Solve for x
x = 179,663,593,005.31/465,881.69 - Step 6: Final answer
x = 385,642.10
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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.