Finding the Fourth Proportional to 272,867.01, 409,344.26 and 115,118.70
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Solution
The fourth proportional to 272,867.01, 409,344.26 and 115,118.70 is: 172,696.50
Step by Step Solution
- Step 1: Write the proportion equation
272,867.01 : 409,344.26 = 115,118.70 : x - Step 2: Convert to fraction form
272,867.01/409,344.26 = 115,118.70/x - Step 3: Cross multiply
272,867.01x = 409,344.26 × 115,118.70 - Step 4: Simplify right side
272,867.01x = 47,123,178,488.07 - Step 5: Solve for x
x = 47,123,178,488.07/272,867.01 - Step 6: Final answer
x = 172,696.50
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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.