Finding the Fourth Proportional to 395,663.08, 593,531.42 and 129,425.32
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Solution
The fourth proportional to 395,663.08, 593,531.42 and 129,425.32 is: 194,150.02
Step by Step Solution
- Step 1: Write the proportion equation
395,663.08 : 593,531.42 = 129,425.32 : x - Step 2: Convert to fraction form
395,663.08/593,531.42 = 129,425.32/x - Step 3: Cross multiply
395,663.08x = 593,531.42 × 129,425.32 - Step 4: Simplify right side
395,663.08x = 76,817,993,963.55 - Step 5: Solve for x
x = 76,817,993,963.55/395,663.08 - Step 6: Final answer
x = 194,150.02
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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.