Finding the Fourth Proportional to 159,693.12, 239,589.63 and 47,373.92
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Solution
The fourth proportional to 159,693.12, 239,589.63 and 47,373.92 is: 71,075.70
Step by Step Solution
- Step 1: Write the proportion equation
159,693.12 : 239,589.63 = 47,373.92 : x - Step 2: Convert to fraction form
159,693.12/239,589.63 = 47,373.92/x - Step 3: Cross multiply
159,693.12x = 239,589.63 × 47,373.92 - Step 4: Simplify right side
159,693.12x = 11,350,299,964.45 - Step 5: Solve for x
x = 11,350,299,964.45/159,693.12 - Step 6: Final answer
x = 71,075.70
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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.