Finding the Fourth Proportional to 949,287.12, 1,424,143.98 and 318,184.80
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Solution
The fourth proportional to 949,287.12, 1,424,143.98 and 318,184.80 is: 477,348.69
Step by Step Solution
- Step 1: Write the proportion equation
949,287.12 : 1,424,143.98 = 318,184.80 : x - Step 2: Convert to fraction form
949,287.12/1,424,143.98 = 318,184.80/x - Step 3: Cross multiply
949,287.12x = 1,424,143.98 × 318,184.80 - Step 4: Simplify right side
949,287.12x = 453,140,967,447.50 - Step 5: Solve for x
x = 453,140,967,447.50/949,287.12 - Step 6: Final answer
x = 477,348.69
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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.