Finding the Fourth Proportional to 240,648.92, 332,252.19 and 154,641.05
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Solution
The fourth proportional to 240,648.92, 332,252.19 and 154,641.05 is: 213,505.33
Step by Step Solution
- Step 1: Write the proportion equation
240,648.92 : 332,252.19 = 154,641.05 : x - Step 2: Convert to fraction form
240,648.92/332,252.19 = 154,641.05/x - Step 3: Cross multiply
240,648.92x = 332,252.19 × 154,641.05 - Step 4: Simplify right side
240,648.92x = 51,379,827,111.08 - Step 5: Solve for x
x = 51,379,827,111.08/240,648.92 - Step 6: Final answer
x = 213,505.33
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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.