Finding the Fourth Proportional to 395,557.16, 593,372.18 and 129,319.08
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Solution
The fourth proportional to 395,557.16, 593,372.18 and 129,319.08 is: 193,990.53
Step by Step Solution
- Step 1: Write the proportion equation
395,557.16 : 593,372.18 = 129,319.08 : x - Step 2: Convert to fraction form
395,557.16/593,372.18 = 129,319.08/x - Step 3: Cross multiply
395,557.16x = 593,372.18 × 129,319.08 - Step 4: Simplify right side
395,557.16x = 76,734,344,415.19 - Step 5: Solve for x
x = 76,734,344,415.19/395,557.16 - Step 6: Final answer
x = 193,990.53
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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.