Finding the Fourth Proportional to 272,121.36, 375,531.98 and 149,618.92
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Solution
The fourth proportional to 272,121.36, 375,531.98 and 149,618.92 is: 206,476.59
Step by Step Solution
- Step 1: Write the proportion equation
272,121.36 : 375,531.98 = 149,618.92 : x - Step 2: Convert to fraction form
272,121.36/375,531.98 = 149,618.92/x - Step 3: Cross multiply
272,121.36x = 375,531.98 × 149,618.92 - Step 4: Simplify right side
272,121.36x = 56,186,689,273.06 - Step 5: Solve for x
x = 56,186,689,273.06/272,121.36 - Step 6: Final answer
x = 206,476.59
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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.