Finding the Fourth Proportional to 372,160.23, 558,207.15 and 119,372.10
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Solution
The fourth proportional to 372,160.23, 558,207.15 and 119,372.10 is: 179,047.50
Step by Step Solution
- Step 1: Write the proportion equation
372,160.23 : 558,207.15 = 119,372.10 : x - Step 2: Convert to fraction form
372,160.23/558,207.15 = 119,372.10/x - Step 3: Cross multiply
372,160.23x = 558,207.15 × 119,372.10 - Step 4: Simplify right side
372,160.23x = 66,634,359,730.52 - Step 5: Solve for x
x = 66,634,359,730.52/372,160.23 - Step 6: Final answer
x = 179,047.50
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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.