Finding the Fourth Proportional to 218,874.68, 301,995.61 and 132,831.75
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Solution
The fourth proportional to 218,874.68, 301,995.61 and 132,831.75 is: 183,276.59
Step by Step Solution
- Step 1: Write the proportion equation
218,874.68 : 301,995.61 = 132,831.75 : x - Step 2: Convert to fraction form
218,874.68/301,995.61 = 132,831.75/x - Step 3: Cross multiply
218,874.68x = 301,995.61 × 132,831.75 - Step 4: Simplify right side
218,874.68x = 40,114,605,036.54 - Step 5: Solve for x
x = 40,114,605,036.54/218,874.68 - Step 6: Final answer
x = 183,276.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.