Finding the Fourth Proportional to 159,497.40, 239,246.11 and 47,168.87
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Solution
The fourth proportional to 159,497.40, 239,246.11 and 47,168.87 is: 70,753.31
Step by Step Solution
- Step 1: Write the proportion equation
159,497.40 : 239,246.11 = 47,168.87 : x - Step 2: Convert to fraction form
159,497.40/239,246.11 = 47,168.87/x - Step 3: Cross multiply
159,497.40x = 239,246.11 × 47,168.87 - Step 4: Simplify right side
159,497.40x = 11,284,969,140.79 - Step 5: Solve for x
x = 11,284,969,140.79/159,497.40 - Step 6: Final answer
x = 70,753.31
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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.