Finding the Fourth Proportional to 240,660.62, 332,123.88 and 138,702.68
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Solution
The fourth proportional to 240,660.62, 332,123.88 and 138,702.68 is: 191,416.74
Step by Step Solution
- Step 1: Write the proportion equation
240,660.62 : 332,123.88 = 138,702.68 : x - Step 2: Convert to fraction form
240,660.62/332,123.88 = 138,702.68/x - Step 3: Cross multiply
240,660.62x = 332,123.88 × 138,702.68 - Step 4: Simplify right side
240,660.62x = 46,066,470,587.38 - Step 5: Solve for x
x = 46,066,470,587.38/240,660.62 - Step 6: Final answer
x = 191,416.74
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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.