Finding the Fourth Proportional to 900,433.80, 1,350,650.70 and 235,585.80
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Solution
The fourth proportional to 900,433.80, 1,350,650.70 and 235,585.80 is: 353,378.70
Step by Step Solution
- Step 1: Write the proportion equation
900,433.80 : 1,350,650.70 = 235,585.80 : x - Step 2: Convert to fraction form
900,433.80/1,350,650.70 = 235,585.80/x - Step 3: Cross multiply
900,433.80x = 1,350,650.70 × 235,585.80 - Step 4: Simplify right side
900,433.80x = 318,194,125,680.06 - Step 5: Solve for x
x = 318,194,125,680.06/900,433.80 - Step 6: Final answer
x = 353,378.70
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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.