Finding the Fourth Proportional to 347,635.76, 521,306.76 and 147,948.08
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Solution
The fourth proportional to 347,635.76, 521,306.76 and 147,948.08 is: 221,859.61
Step by Step Solution
- Step 1: Write the proportion equation
347,635.76 : 521,306.76 = 147,948.08 : x - Step 2: Convert to fraction form
347,635.76/521,306.76 = 147,948.08/x - Step 3: Cross multiply
347,635.76x = 521,306.76 × 147,948.08 - Step 4: Simplify right side
347,635.76x = 77,126,334,233.02 - Step 5: Solve for x
x = 77,126,334,233.02/347,635.76 - Step 6: Final answer
x = 221,859.61
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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.