Finding the Fourth Proportional to 155,819.87, 233,545.22 and 71,508.99
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Solution
The fourth proportional to 155,819.87, 233,545.22 and 71,508.99 is: 107,178.78
Step by Step Solution
- Step 1: Write the proportion equation
155,819.87 : 233,545.22 = 71,508.99 : x - Step 2: Convert to fraction form
155,819.87/233,545.22 = 71,508.99/x - Step 3: Cross multiply
155,819.87x = 233,545.22 × 71,508.99 - Step 4: Simplify right side
155,819.87x = 16,700,582,443.98 - Step 5: Solve for x
x = 16,700,582,443.98/155,819.87 - Step 6: Final answer
x = 107,178.78
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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.