Finding the Fourth Proportional to 159,988.48, 239,621.85 and 124,163.59
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Solution
The fourth proportional to 159,988.48, 239,621.85 and 124,163.59 is: 185,965.32
Step by Step Solution
- Step 1: Write the proportion equation
159,988.48 : 239,621.85 = 124,163.59 : x - Step 2: Convert to fraction form
159,988.48/239,621.85 = 124,163.59/x - Step 3: Cross multiply
159,988.48x = 239,621.85 × 124,163.59 - Step 4: Simplify right side
159,988.48x = 29,752,309,138.44 - Step 5: Solve for x
x = 29,752,309,138.44/159,988.48 - Step 6: Final answer
x = 185,965.32
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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.