Finding the Fourth Proportional to 523,575.76, 784,636.99 and 238,569.79
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Solution
The fourth proportional to 523,575.76, 784,636.99 and 238,569.79 is: 357,523.58
Step by Step Solution
- Step 1: Write the proportion equation
523,575.76 : 784,636.99 = 238,569.79 : x - Step 2: Convert to fraction form
523,575.76/784,636.99 = 238,569.79/x - Step 3: Cross multiply
523,575.76x = 784,636.99 × 238,569.79 - Step 4: Simplify right side
523,575.76x = 187,190,681,930.53 - Step 5: Solve for x
x = 187,190,681,930.53/523,575.76 - Step 6: Final answer
x = 357,523.58
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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.