Finding the Fourth Proportional to 364,721.20, 546,425.70 and 312,233.20
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Solution
The fourth proportional to 364,721.20, 546,425.70 and 312,233.20 is: 467,788.12
Step by Step Solution
- Step 1: Write the proportion equation
364,721.20 : 546,425.70 = 312,233.20 : x - Step 2: Convert to fraction form
364,721.20/546,425.70 = 312,233.20/x - Step 3: Cross multiply
364,721.20x = 546,425.70 × 312,233.20 - Step 4: Simplify right side
364,721.20x = 170,612,244,873.24 - Step 5: Solve for x
x = 170,612,244,873.24/364,721.20 - Step 6: Final answer
x = 467,788.12
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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.