Finding the Fourth Proportional to 574,249.40, 861,308.49 and 153,558.08
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Solution
The fourth proportional to 574,249.40, 861,308.49 and 153,558.08 is: 230,319.57
Step by Step Solution
- Step 1: Write the proportion equation
574,249.40 : 861,308.49 = 153,558.08 : x - Step 2: Convert to fraction form
574,249.40/861,308.49 = 153,558.08/x - Step 3: Cross multiply
574,249.40x = 861,308.49 × 153,558.08 - Step 4: Simplify right side
574,249.40x = 132,260,876,647.54 - Step 5: Solve for x
x = 132,260,876,647.54/574,249.40 - Step 6: Final answer
x = 230,319.57
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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.