Finding the Fourth Proportional to 479,168.13, 718,541.68 and 179,438.49
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Solution
The fourth proportional to 479,168.13, 718,541.68 and 179,438.49 is: 269,078.90
Step by Step Solution
- Step 1: Write the proportion equation
479,168.13 : 718,541.68 = 179,438.49 : x - Step 2: Convert to fraction form
479,168.13/718,541.68 = 179,438.49/x - Step 3: Cross multiply
479,168.13x = 718,541.68 × 179,438.49 - Step 4: Simplify right side
479,168.13x = 128,934,034,061.26 - Step 5: Solve for x
x = 128,934,034,061.26/479,168.13 - Step 6: Final answer
x = 269,078.90
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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.