Finding the Fourth Proportional to 239,344.74, 359,079.21 and 89,596.80
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Solution
The fourth proportional to 239,344.74, 359,079.21 and 89,596.80 is: 134,418.45
Step by Step Solution
- Step 1: Write the proportion equation
239,344.74 : 359,079.21 = 89,596.80 : x - Step 2: Convert to fraction form
239,344.74/359,079.21 = 89,596.80/x - Step 3: Cross multiply
239,344.74x = 359,079.21 × 89,596.80 - Step 4: Simplify right side
239,344.74x = 32,172,348,162.53 - Step 5: Solve for x
x = 32,172,348,162.53/239,344.74 - Step 6: Final answer
x = 134,418.45
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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.