Finding the Fourth Proportional to 134,831.20, 202,246.80 and 41,324.80
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Solution
The fourth proportional to 134,831.20, 202,246.80 and 41,324.80 is: 61,987.20
Step by Step Solution
- Step 1: Write the proportion equation
134,831.20 : 202,246.80 = 41,324.80 : x - Step 2: Convert to fraction form
134,831.20/202,246.80 = 41,324.80/x - Step 3: Cross multiply
134,831.20x = 202,246.80 × 41,324.80 - Step 4: Simplify right side
134,831.20x = 8,357,808,560.64 - Step 5: Solve for x
x = 8,357,808,560.64/134,831.20 - Step 6: Final answer
x = 61,987.20
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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.