Finding the Fourth Proportional to 240,866.10, 332,335.17 and 138,922.74
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Solution
The fourth proportional to 240,866.10, 332,335.17 and 138,922.74 is: 191,678.75
Step by Step Solution
- Step 1: Write the proportion equation
240,866.10 : 332,335.17 = 138,922.74 : x - Step 2: Convert to fraction form
240,866.10/332,335.17 = 138,922.74/x - Step 3: Cross multiply
240,866.10x = 332,335.17 × 138,922.74 - Step 4: Simplify right side
240,866.10x = 46,168,912,414.77 - Step 5: Solve for x
x = 46,168,912,414.77/240,866.10 - Step 6: Final answer
x = 191,678.75
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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.