Finding the Fourth Proportional to 417,491.67, 576,438.09 and 256,562.49
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Solution
The fourth proportional to 417,491.67, 576,438.09 and 256,562.49 is: 354,240.34
Step by Step Solution
- Step 1: Write the proportion equation
417,491.67 : 576,438.09 = 256,562.49 : x - Step 2: Convert to fraction form
417,491.67/576,438.09 = 256,562.49/x - Step 3: Cross multiply
417,491.67x = 576,438.09 × 256,562.49 - Step 4: Simplify right side
417,491.67x = 147,892,391,701.24 - Step 5: Solve for x
x = 147,892,391,701.24/417,491.67 - Step 6: Final answer
x = 354,240.34
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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.