Finding the Fourth Proportional to 521,214.24, 781,987.50 and 232,981.44
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Solution
The fourth proportional to 521,214.24, 781,987.50 and 232,981.44 is: 349,546.42
Step by Step Solution
- Step 1: Write the proportion equation
521,214.24 : 781,987.50 = 232,981.44 : x - Step 2: Convert to fraction form
521,214.24/781,987.50 = 232,981.44/x - Step 3: Cross multiply
521,214.24x = 781,987.50 × 232,981.44 - Step 4: Simplify right side
521,214.24x = 182,188,573,812 - Step 5: Solve for x
x = 182,188,573,812/521,214.24 - Step 6: Final answer
x = 349,546.42
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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.