Finding the Fourth Proportional to 272,882.89, 409,368.07 and 115,134.58
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Solution
The fourth proportional to 272,882.89, 409,368.07 and 115,134.58 is: 172,720.32
Step by Step Solution
- Step 1: Write the proportion equation
272,882.89 : 409,368.07 = 115,134.58 : x - Step 2: Convert to fraction form
272,882.89/409,368.07 = 115,134.58/x - Step 3: Cross multiply
272,882.89x = 409,368.07 × 115,134.58 - Step 4: Simplify right side
272,882.89x = 47,132,418,758.02 - Step 5: Solve for x
x = 47,132,418,758.02/272,882.89 - Step 6: Final answer
x = 172,720.32
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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.