Finding the Fourth Proportional to 216,540.08, 324,726.90 and 74,358.92
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Solution
The fourth proportional to 216,540.08, 324,726.90 and 74,358.92 is: 111,509.80
Step by Step Solution
- Step 1: Write the proportion equation
216,540.08 : 324,726.90 = 74,358.92 : x - Step 2: Convert to fraction form
216,540.08/324,726.90 = 74,358.92/x - Step 3: Cross multiply
216,540.08x = 324,726.90 × 74,358.92 - Step 4: Simplify right side
216,540.08x = 24,146,341,578.95 - Step 5: Solve for x
x = 24,146,341,578.95/216,540.08 - Step 6: Final answer
x = 111,509.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.