Finding the Fourth Proportional to 398,182.12, 597,204.06 and 135,526.12
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Solution
The fourth proportional to 398,182.12, 597,204.06 and 135,526.12 is: 203,265.65
Step by Step Solution
- Step 1: Write the proportion equation
398,182.12 : 597,204.06 = 135,526.12 : x - Step 2: Convert to fraction form
398,182.12/597,204.06 = 135,526.12/x - Step 3: Cross multiply
398,182.12x = 597,204.06 × 135,526.12 - Step 4: Simplify right side
398,182.12x = 80,936,749,100.05 - Step 5: Solve for x
x = 80,936,749,100.05/398,182.12 - Step 6: Final answer
x = 203,265.65
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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.