Finding the Fourth Proportional to 284,580.14, 392,707.85 and 157,253.00
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Solution
The fourth proportional to 284,580.14, 392,707.85 and 157,253.00 is: 217,002.09
Step by Step Solution
- Step 1: Write the proportion equation
284,580.14 : 392,707.85 = 157,253.00 : x - Step 2: Convert to fraction form
284,580.14/392,707.85 = 157,253.00/x - Step 3: Cross multiply
284,580.14x = 392,707.85 × 157,253.00 - Step 4: Simplify right side
284,580.14x = 61,754,484,786.25 - Step 5: Solve for x
x = 61,754,484,786.25/284,580.14 - Step 6: Final answer
x = 217,002.09
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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.