Finding the Fourth Proportional to 158,565.14, 218,818.20 and 86,944.94
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Solution
The fourth proportional to 158,565.14, 218,818.20 and 86,944.94 is: 119,983.09
Step by Step Solution
- Step 1: Write the proportion equation
158,565.14 : 218,818.20 = 86,944.94 : x - Step 2: Convert to fraction form
158,565.14/218,818.20 = 86,944.94/x - Step 3: Cross multiply
158,565.14x = 218,818.20 × 86,944.94 - Step 4: Simplify right side
158,565.14x = 19,025,135,269.91 - Step 5: Solve for x
x = 19,025,135,269.91/158,565.14 - Step 6: Final answer
x = 119,983.09
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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.