Finding the Fourth Proportional to 460,432.66, 690,125.26 and 280,120.62
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Solution
The fourth proportional to 460,432.66, 690,125.26 and 280,120.62 is: 419,862.29
Step by Step Solution
- Step 1: Write the proportion equation
460,432.66 : 690,125.26 = 280,120.62 : x - Step 2: Convert to fraction form
460,432.66/690,125.26 = 280,120.62/x - Step 3: Cross multiply
460,432.66x = 690,125.26 × 280,120.62 - Step 4: Simplify right side
460,432.66x = 193,318,312,258.24 - Step 5: Solve for x
x = 193,318,312,258.24/460,432.66 - Step 6: Final answer
x = 419,862.29
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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.