Finding the Fourth Proportional to 207,062.18, 285,726.11 and 121,041.33
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Solution
The fourth proportional to 207,062.18, 285,726.11 and 121,041.33 is: 167,025.52
Step by Step Solution
- Step 1: Write the proportion equation
207,062.18 : 285,726.11 = 121,041.33 : x - Step 2: Convert to fraction form
207,062.18/285,726.11 = 121,041.33/x - Step 3: Cross multiply
207,062.18x = 285,726.11 × 121,041.33 - Step 4: Simplify right side
207,062.18x = 34,584,668,370.13 - Step 5: Solve for x
x = 34,584,668,370.13/207,062.18 - Step 6: Final answer
x = 167,025.52
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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.