Finding the Fourth Proportional to 160,691.03, 240,939.33 and 71,927.99
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Solution
The fourth proportional to 160,691.03, 240,939.33 and 71,927.99 is: 107,848.47
Step by Step Solution
- Step 1: Write the proportion equation
160,691.03 : 240,939.33 = 71,927.99 : x - Step 2: Convert to fraction form
160,691.03/240,939.33 = 71,927.99/x - Step 3: Cross multiply
160,691.03x = 240,939.33 × 71,927.99 - Step 4: Simplify right side
160,691.03x = 17,330,280,514.15 - Step 5: Solve for x
x = 17,330,280,514.15/160,691.03 - Step 6: Final answer
x = 107,848.47
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1.5x scale
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.