Finding the Fourth Proportional to 523,102.75, 784,661.42 and 149,125.75
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Solution
The fourth proportional to 523,102.75, 784,661.42 and 149,125.75 is: 223,690.70
Step by Step Solution
- Step 1: Write the proportion equation
523,102.75 : 784,661.42 = 149,125.75 : x - Step 2: Convert to fraction form
523,102.75/784,661.42 = 149,125.75/x - Step 3: Cross multiply
523,102.75x = 784,661.42 × 149,125.75 - Step 4: Simplify right side
523,102.75x = 117,013,222,753.57 - Step 5: Solve for x
x = 117,013,222,753.57/523,102.75 - Step 6: Final answer
x = 223,690.70
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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.