Finding the Fourth Proportional to 372,193.98, 558,520.61 and 172,477.14
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Solution
The fourth proportional to 372,193.98, 558,520.61 and 172,477.14 is: 258,822.12
Step by Step Solution
- Step 1: Write the proportion equation
372,193.98 : 558,520.61 = 172,477.14 : x - Step 2: Convert to fraction form
372,193.98/558,520.61 = 172,477.14/x - Step 3: Cross multiply
372,193.98x = 558,520.61 × 172,477.14 - Step 4: Simplify right side
372,193.98x = 96,332,036,581.47 - Step 5: Solve for x
x = 96,332,036,581.47/372,193.98 - Step 6: Final answer
x = 258,822.12
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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.