Finding the Fourth Proportional to 372,290.23, 558,324.39 and 135,577.55
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Solution
The fourth proportional to 372,290.23, 558,324.39 and 135,577.55 is: 203,325.92
Step by Step Solution
- Step 1: Write the proportion equation
372,290.23 : 558,324.39 = 135,577.55 : x - Step 2: Convert to fraction form
372,290.23/558,324.39 = 135,577.55/x - Step 3: Cross multiply
372,290.23x = 558,324.39 × 135,577.55 - Step 4: Simplify right side
372,290.23x = 75,696,251,665.10 - Step 5: Solve for x
x = 75,696,251,665.10/372,290.23 - Step 6: Final answer
x = 203,325.92
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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.