Finding the Fourth Proportional to 739,244.49, 1,108,867.82 and 178,278.99
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Solution
The fourth proportional to 739,244.49, 1,108,867.82 and 178,278.99 is: 267,418.75
Step by Step Solution
- Step 1: Write the proportion equation
739,244.49 : 1,108,867.82 = 178,278.99 : x - Step 2: Convert to fraction form
739,244.49/1,108,867.82 = 178,278.99/x - Step 3: Cross multiply
739,244.49x = 1,108,867.82 × 178,278.99 - Step 4: Simplify right side
739,244.49x = 197,687,834,101.71 - Step 5: Solve for x
x = 197,687,834,101.71/739,244.49 - Step 6: Final answer
x = 267,418.75
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1.5x scale
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.