Finding the Fourth Proportional to 240,691.62, 332,110.17 and 138,702.78
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Solution
The fourth proportional to 240,691.62, 332,110.17 and 138,702.78 is: 191,384.33
Step by Step Solution
- Step 1: Write the proportion equation
240,691.62 : 332,110.17 = 138,702.78 : x - Step 2: Convert to fraction form
240,691.62/332,110.17 = 138,702.78/x - Step 3: Cross multiply
240,691.62x = 332,110.17 × 138,702.78 - Step 4: Simplify right side
240,691.62x = 46,064,603,845.27 - Step 5: Solve for x
x = 46,064,603,845.27/240,691.62 - Step 6: Final answer
x = 191,384.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.