Finding the Fourth Proportional to 160,499.12, 240,605.52 and 76,207.28
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Solution
The fourth proportional to 160,499.12, 240,605.52 and 76,207.28 is: 114,242.95
Step by Step Solution
- Step 1: Write the proportion equation
160,499.12 : 240,605.52 = 76,207.28 : x - Step 2: Convert to fraction form
160,499.12/240,605.52 = 76,207.28/x - Step 3: Cross multiply
160,499.12x = 240,605.52 × 76,207.28 - Step 4: Simplify right side
160,499.12x = 18,335,892,232.19 - Step 5: Solve for x
x = 18,335,892,232.19/160,499.12 - Step 6: Final answer
x = 114,242.95
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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.