Finding the Fourth Proportional to 187,305.68, 258,772.92 and 157,044.08
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Solution
The fourth proportional to 187,305.68, 258,772.92 and 157,044.08 is: 216,964.88
Step by Step Solution
- Step 1: Write the proportion equation
187,305.68 : 258,772.92 = 157,044.08 : x - Step 2: Convert to fraction form
187,305.68/258,772.92 = 157,044.08/x - Step 3: Cross multiply
187,305.68x = 258,772.92 × 157,044.08 - Step 4: Simplify right side
187,305.68x = 40,638,755,150.31 - Step 5: Solve for x
x = 40,638,755,150.31/187,305.68 - Step 6: Final answer
x = 216,964.88
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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.