Finding the Fourth Proportional to 284,097.13, 392,121.14 and 163,308.49
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Solution
The fourth proportional to 284,097.13, 392,121.14 and 163,308.49 is: 225,404.28
Step by Step Solution
- Step 1: Write the proportion equation
284,097.13 : 392,121.14 = 163,308.49 : x - Step 2: Convert to fraction form
284,097.13/392,121.14 = 163,308.49/x - Step 3: Cross multiply
284,097.13x = 392,121.14 × 163,308.49 - Step 4: Simplify right side
284,097.13x = 64,036,709,473.63 - Step 5: Solve for x
x = 64,036,709,473.63/284,097.13 - Step 6: Final answer
x = 225,404.28
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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.