Finding the Fourth Proportional to 282,020.92, 423,142.14 and 124,138.68
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Solution
The fourth proportional to 282,020.92, 423,142.14 and 124,138.68 is: 186,256.77
Step by Step Solution
- Step 1: Write the proportion equation
282,020.92 : 423,142.14 = 124,138.68 : x - Step 2: Convert to fraction form
282,020.92/423,142.14 = 124,138.68/x - Step 3: Cross multiply
282,020.92x = 423,142.14 × 124,138.68 - Step 4: Simplify right side
282,020.92x = 52,528,306,711.98 - Step 5: Solve for x
x = 52,528,306,711.98/282,020.92 - Step 6: Final answer
x = 186,256.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.