Finding the Fourth Proportional to 386,548.26, 533,494.92 and 235,732.74
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Solution
The fourth proportional to 386,548.26, 533,494.92 and 235,732.74 is: 325,346.75
Step by Step Solution
- Step 1: Write the proportion equation
386,548.26 : 533,494.92 = 235,732.74 : x - Step 2: Convert to fraction form
386,548.26/533,494.92 = 235,732.74/x - Step 3: Cross multiply
386,548.26x = 533,494.92 × 235,732.74 - Step 4: Simplify right side
386,548.26x = 125,762,219,267.68 - Step 5: Solve for x
x = 125,762,219,267.68/386,548.26 - Step 6: Final answer
x = 325,346.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.