Finding the Fourth Proportional to 486,239.88, 729,382.50 and 149,266.92
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Solution
The fourth proportional to 486,239.88, 729,382.50 and 149,266.92 is: 223,907.34
Step by Step Solution
- Step 1: Write the proportion equation
486,239.88 : 729,382.50 = 149,266.92 : x - Step 2: Convert to fraction form
486,239.88/729,382.50 = 149,266.92/x - Step 3: Cross multiply
486,239.88x = 729,382.50 × 149,266.92 - Step 4: Simplify right side
486,239.88x = 108,872,679,276.90 - Step 5: Solve for x
x = 108,872,679,276.90/486,239.88 - Step 6: Final answer
x = 223,907.34
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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.