Finding the Fourth Proportional to 147,497.70, 221,246.55 and 36,689.70
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Solution
The fourth proportional to 147,497.70, 221,246.55 and 36,689.70 is: 55,034.55
Step by Step Solution
- Step 1: Write the proportion equation
147,497.70 : 221,246.55 = 36,689.70 : x - Step 2: Convert to fraction form
147,497.70/221,246.55 = 36,689.70/x - Step 3: Cross multiply
147,497.70x = 221,246.55 × 36,689.70 - Step 4: Simplify right side
147,497.70x = 8,117,469,545.54 - Step 5: Solve for x
x = 8,117,469,545.54/147,497.70 - Step 6: Final answer
x = 55,034.55
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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.