Finding the Fourth Proportional to 224,456.13, 336,725.24 and 74,682.20
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Solution
The fourth proportional to 224,456.13, 336,725.24 and 74,682.20 is: 112,036.96
Step by Step Solution
- Step 1: Write the proportion equation
224,456.13 : 336,725.24 = 74,682.20 : x - Step 2: Convert to fraction form
224,456.13/336,725.24 = 74,682.20/x - Step 3: Cross multiply
224,456.13x = 336,725.24 × 74,682.20 - Step 4: Simplify right side
224,456.13x = 25,147,382,187.13 - Step 5: Solve for x
x = 25,147,382,187.13/224,456.13 - Step 6: Final answer
x = 112,036.96
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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.