Finding the Fourth Proportional to 180,156.74, 269,841.44 and 91,257.62
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Solution
The fourth proportional to 180,156.74, 269,841.44 and 91,257.62 is: 136,687.02
Step by Step Solution
- Step 1: Write the proportion equation
180,156.74 : 269,841.44 = 91,257.62 : x - Step 2: Convert to fraction form
180,156.74/269,841.44 = 91,257.62/x - Step 3: Cross multiply
180,156.74x = 269,841.44 × 91,257.62 - Step 4: Simplify right side
180,156.74x = 24,625,086,470.71 - Step 5: Solve for x
x = 24,625,086,470.71/180,156.74 - Step 6: Final answer
x = 136,687.02
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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.