Finding the Fourth Proportional to 284,129.60, 392,246.28 and 207,562.76
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Solution
The fourth proportional to 284,129.60, 392,246.28 and 207,562.76 is: 286,544.31
Step by Step Solution
- Step 1: Write the proportion equation
284,129.60 : 392,246.28 = 207,562.76 : x - Step 2: Convert to fraction form
284,129.60/392,246.28 = 207,562.76/x - Step 3: Cross multiply
284,129.60x = 392,246.28 × 207,562.76 - Step 4: Simplify right side
284,129.60x = 81,415,720,476.53 - Step 5: Solve for x
x = 81,415,720,476.53/284,129.60 - Step 6: Final answer
x = 286,544.31
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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.