Finding the Fourth Proportional to 284,112.74, 392,223.00 and 207,545.87
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Solution
The fourth proportional to 284,112.74, 392,223.00 and 207,545.87 is: 286,520.99
Step by Step Solution
- Step 1: Write the proportion equation
284,112.74 : 392,223.00 = 207,545.87 : x - Step 2: Convert to fraction form
284,112.74/392,223.00 = 207,545.87/x - Step 3: Cross multiply
284,112.74x = 392,223.00 × 207,545.87 - Step 4: Simplify right side
284,112.74x = 81,404,262,731.28 - Step 5: Solve for x
x = 81,404,262,731.28/284,112.74 - Step 6: Final answer
x = 286,520.99
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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.