Finding the Fourth Proportional to 372,134.98, 558,387.12 and 147,490.44
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Solution
The fourth proportional to 372,134.98, 558,387.12 and 147,490.44 is: 221,308.85
Step by Step Solution
- Step 1: Write the proportion equation
372,134.98 : 558,387.12 = 147,490.44 : x - Step 2: Convert to fraction form
372,134.98/558,387.12 = 147,490.44/x - Step 3: Cross multiply
372,134.98x = 558,387.12 × 147,490.44 - Step 4: Simplify right side
372,134.98x = 82,356,764,360.03 - Step 5: Solve for x
x = 82,356,764,360.03/372,134.98 - Step 6: Final answer
x = 221,308.85
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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.