Finding the Fourth Proportional to 574,235.11, 861,286.99 and 153,543.79
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Solution
The fourth proportional to 574,235.11, 861,286.99 and 153,543.79 is: 230,298.12
Step by Step Solution
- Step 1: Write the proportion equation
574,235.11 : 861,286.99 = 153,543.79 : x - Step 2: Convert to fraction form
574,235.11/861,286.99 = 153,543.79/x - Step 3: Cross multiply
574,235.11x = 861,286.99 × 153,543.79 - Step 4: Simplify right side
574,235.11x = 132,245,264,858.20 - Step 5: Solve for x
x = 132,245,264,858.20/574,235.11 - Step 6: Final answer
x = 230,298.12
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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.