Finding the Fourth Proportional to 239,932.26, 360,119.84 and 121,686.66
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Solution
The fourth proportional to 239,932.26, 360,119.84 and 121,686.66 is: 182,642.30
Step by Step Solution
- Step 1: Write the proportion equation
239,932.26 : 360,119.84 = 121,686.66 : x - Step 2: Convert to fraction form
239,932.26/360,119.84 = 121,686.66/x - Step 3: Cross multiply
239,932.26x = 360,119.84 × 121,686.66 - Step 4: Simplify right side
239,932.26x = 43,821,779,920.90 - Step 5: Solve for x
x = 43,821,779,920.90/239,932.26 - Step 6: Final answer
x = 182,642.30
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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.