Finding the Fourth Proportional to 158,230.97, 218,358.97 and 86,615.52
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Solution
The fourth proportional to 158,230.97, 218,358.97 and 86,615.52 is: 119,529.55
Step by Step Solution
- Step 1: Write the proportion equation
158,230.97 : 218,358.97 = 86,615.52 : x - Step 2: Convert to fraction form
158,230.97/218,358.97 = 86,615.52/x - Step 3: Cross multiply
158,230.97x = 218,358.97 × 86,615.52 - Step 4: Simplify right side
158,230.97x = 18,913,275,516.68 - Step 5: Solve for x
x = 18,913,275,516.68/158,230.97 - Step 6: Final answer
x = 119,529.55
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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.