Finding the Fourth Proportional to 537,652.20, 806,478.30 and 163,626.60
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Solution
The fourth proportional to 537,652.20, 806,478.30 and 163,626.60 is: 245,439.90
Step by Step Solution
- Step 1: Write the proportion equation
537,652.20 : 806,478.30 = 163,626.60 : x - Step 2: Convert to fraction form
537,652.20/806,478.30 = 163,626.60/x - Step 3: Cross multiply
537,652.20x = 806,478.30 × 163,626.60 - Step 4: Simplify right side
537,652.20x = 131,961,302,202.78 - Step 5: Solve for x
x = 131,961,302,202.78/537,652.20 - Step 6: Final answer
x = 245,439.90
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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.