Finding the Fourth Proportional to 134,707.20, 202,449.60 and 132,374.40
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Solution
The fourth proportional to 134,707.20, 202,449.60 and 132,374.40 is: 198,943.67
Step by Step Solution
- Step 1: Write the proportion equation
134,707.20 : 202,449.60 = 132,374.40 : x - Step 2: Convert to fraction form
134,707.20/202,449.60 = 132,374.40/x - Step 3: Cross multiply
134,707.20x = 202,449.60 × 132,374.40 - Step 4: Simplify right side
134,707.20x = 26,799,144,330.24 - Step 5: Solve for x
x = 26,799,144,330.24/134,707.20 - Step 6: Final answer
x = 198,943.67
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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.