Finding the Fourth Proportional to 521,014.14, 781,521.17 and 147,037.14
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Solution
The fourth proportional to 521,014.14, 781,521.17 and 147,037.14 is: 220,555.70
Step by Step Solution
- Step 1: Write the proportion equation
521,014.14 : 781,521.17 = 147,037.14 : x - Step 2: Convert to fraction form
521,014.14/781,521.17 = 147,037.14/x - Step 3: Cross multiply
521,014.14x = 781,521.17 × 147,037.14 - Step 4: Simplify right side
521,014.14x = 114,912,636,951.07 - Step 5: Solve for x
x = 114,912,636,951.07/521,014.14 - Step 6: Final answer
x = 220,555.70
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1.5x scale
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.