Finding the Fourth Proportional to 471,197.20, 658,276.40 and 471,197.20
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Solution
The fourth proportional to 471,197.20, 658,276.40 and 471,197.20 is: 658,276.40
Step by Step Solution
- Step 1: Write the proportion equation
471,197.20 : 658,276.40 = 471,197.20 : x - Step 2: Convert to fraction form
471,197.20/658,276.40 = 471,197.20/x - Step 3: Cross multiply
471,197.20x = 658,276.40 × 471,197.20 - Step 4: Simplify right side
471,197.20x = 310,177,996,506.08 - Step 5: Solve for x
x = 310,177,996,506.08/471,197.20 - Step 6: Final answer
x = 658,276.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.