Finding the Fourth Proportional to 134,751.80, 202,294.10 and 84,831.80
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Solution
The fourth proportional to 134,751.80, 202,294.10 and 84,831.80 is: 127,352.46
Step by Step Solution
- Step 1: Write the proportion equation
134,751.80 : 202,294.10 = 84,831.80 : x - Step 2: Convert to fraction form
134,751.80/202,294.10 = 84,831.80/x - Step 3: Cross multiply
134,751.80x = 202,294.10 × 84,831.80 - Step 4: Simplify right side
134,751.80x = 17,160,972,632.38 - Step 5: Solve for x
x = 17,160,972,632.38/134,751.80 - Step 6: Final answer
x = 127,352.46
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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.