Finding the Fourth Proportional to 998,387.12, 1,497,581.76 and 250,433.12
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Solution
The fourth proportional to 998,387.12, 1,497,581.76 and 250,433.12 is: 375,649.95
Step by Step Solution
- Step 1: Write the proportion equation
998,387.12 : 1,497,581.76 = 250,433.12 : x - Step 2: Convert to fraction form
998,387.12/1,497,581.76 = 250,433.12/x - Step 3: Cross multiply
998,387.12x = 1,497,581.76 × 250,433.12 - Step 4: Simplify right side
998,387.12x = 375,044,072,611.89 - Step 5: Solve for x
x = 375,044,072,611.89/998,387.12 - Step 6: Final answer
x = 375,649.95
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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.