Finding the Fourth Proportional to 237,351.74, 327,545.16 and 129,920.81
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Solution
The fourth proportional to 237,351.74, 327,545.16 and 129,920.81 is: 179,290.59
Step by Step Solution
- Step 1: Write the proportion equation
237,351.74 : 327,545.16 = 129,920.81 : x - Step 2: Convert to fraction form
237,351.74/327,545.16 = 129,920.81/x - Step 3: Cross multiply
237,351.74x = 327,545.16 × 129,920.81 - Step 4: Simplify right side
237,351.74x = 42,554,932,498.78 - Step 5: Solve for x
x = 42,554,932,498.78/237,351.74 - Step 6: Final answer
x = 179,290.59
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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.