Finding the Fourth Proportional to 372,684.88, 558,948.75 and 119,987.97
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Solution
The fourth proportional to 372,684.88, 558,948.75 and 119,987.97 is: 179,956.66
Step by Step Solution
- Step 1: Write the proportion equation
372,684.88 : 558,948.75 = 119,987.97 : x - Step 2: Convert to fraction form
372,684.88/558,948.75 = 119,987.97/x - Step 3: Cross multiply
372,684.88x = 558,948.75 × 119,987.97 - Step 4: Simplify right side
372,684.88x = 67,067,125,846.54 - Step 5: Solve for x
x = 67,067,125,846.54/372,684.88 - Step 6: Final answer
x = 179,956.66
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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.