Finding the Fourth Proportional to 372,102.30, 558,153.45 and 194,663.70
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Solution
The fourth proportional to 372,102.30, 558,153.45 and 194,663.70 is: 291,995.55
Step by Step Solution
- Step 1: Write the proportion equation
372,102.30 : 558,153.45 = 194,663.70 : x - Step 2: Convert to fraction form
372,102.30/558,153.45 = 194,663.70/x - Step 3: Cross multiply
372,102.30x = 558,153.45 × 194,663.70 - Step 4: Simplify right side
372,102.30x = 108,652,215,744.77 - Step 5: Solve for x
x = 108,652,215,744.77/372,102.30 - Step 6: Final answer
x = 291,995.55
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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.