Finding the Fourth Proportional to 159,925.98, 220,698.18 and 88,306.14
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Solution
The fourth proportional to 159,925.98, 220,698.18 and 88,306.14 is: 121,862.65
Step by Step Solution
- Step 1: Write the proportion equation
159,925.98 : 220,698.18 = 88,306.14 : x - Step 2: Convert to fraction form
159,925.98/220,698.18 = 88,306.14/x - Step 3: Cross multiply
159,925.98x = 220,698.18 × 88,306.14 - Step 4: Simplify right side
159,925.98x = 19,489,004,380.83 - Step 5: Solve for x
x = 19,489,004,380.83/159,925.98 - Step 6: Final answer
x = 121,862.65
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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.