Finding the Fourth Proportional to 208,565.28, 312,874.11 and 101,952.68
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Solution
The fourth proportional to 208,565.28, 312,874.11 and 101,952.68 is: 152,941.81
Step by Step Solution
- Step 1: Write the proportion equation
208,565.28 : 312,874.11 = 101,952.68 : x - Step 2: Convert to fraction form
208,565.28/312,874.11 = 101,952.68/x - Step 3: Cross multiply
208,565.28x = 312,874.11 × 101,952.68 - Step 4: Simplify right side
208,565.28x = 31,898,352,452.74 - Step 5: Solve for x
x = 31,898,352,452.74/208,565.28 - Step 6: Final answer
x = 152,941.81
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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.