Finding the Fourth Proportional to 177,218.92, 265,988.17 and 120,154.79
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Solution
The fourth proportional to 177,218.92, 265,988.17 and 120,154.79 is: 180,340.53
Step by Step Solution
- Step 1: Write the proportion equation
177,218.92 : 265,988.17 = 120,154.79 : x - Step 2: Convert to fraction form
177,218.92/265,988.17 = 120,154.79/x - Step 3: Cross multiply
177,218.92x = 265,988.17 × 120,154.79 - Step 4: Simplify right side
177,218.92x = 31,959,753,524.00 - Step 5: Solve for x
x = 31,959,753,524.00/177,218.92 - Step 6: Final answer
x = 180,340.53
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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.