Finding the Fourth Proportional to 449,235.13, 619,939.75 and 245,285.41
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Solution
The fourth proportional to 449,235.13, 619,939.75 and 245,285.41 is: 338,491.28
Step by Step Solution
- Step 1: Write the proportion equation
449,235.13 : 619,939.75 = 245,285.41 : x - Step 2: Convert to fraction form
449,235.13/619,939.75 = 245,285.41/x - Step 3: Cross multiply
449,235.13x = 619,939.75 × 245,285.41 - Step 4: Simplify right side
449,235.13x = 152,062,175,754.05 - Step 5: Solve for x
x = 152,062,175,754.05/449,235.13 - Step 6: Final answer
x = 338,491.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.