Finding the Fourth Proportional to 226,657.15, 312,785.14 and 124,680.41
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Solution
The fourth proportional to 226,657.15, 312,785.14 and 124,680.41 is: 172,058.02
Step by Step Solution
- Step 1: Write the proportion equation
226,657.15 : 312,785.14 = 124,680.41 : x - Step 2: Convert to fraction form
226,657.15/312,785.14 = 124,680.41/x - Step 3: Cross multiply
226,657.15x = 312,785.14 × 124,680.41 - Step 4: Simplify right side
226,657.15x = 38,998,180,699.95 - Step 5: Solve for x
x = 38,998,180,699.95/226,657.15 - Step 6: Final answer
x = 172,058.02
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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.