Finding the Fourth Proportional to 159,657.05, 220,327.08 and 88,036.44
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Solution
The fourth proportional to 159,657.05, 220,327.08 and 88,036.44 is: 121,490.48
Step by Step Solution
- Step 1: Write the proportion equation
159,657.05 : 220,327.08 = 88,036.44 : x - Step 2: Convert to fraction form
159,657.05/220,327.08 = 88,036.44/x - Step 3: Cross multiply
159,657.05x = 220,327.08 × 88,036.44 - Step 4: Simplify right side
159,657.05x = 19,396,811,758.80 - Step 5: Solve for x
x = 19,396,811,758.80/159,657.05 - Step 6: Final answer
x = 121,490.48
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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.