Finding the Fourth Proportional to 159,334.68, 239,149.71 and 80,504.31
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Solution
The fourth proportional to 159,334.68, 239,149.71 and 80,504.31 is: 120,831.09
Step by Step Solution
- Step 1: Write the proportion equation
159,334.68 : 239,149.71 = 80,504.31 : x - Step 2: Convert to fraction form
159,334.68/239,149.71 = 80,504.31/x - Step 3: Cross multiply
159,334.68x = 239,149.71 × 80,504.31 - Step 4: Simplify right side
159,334.68x = 19,252,582,390.25 - Step 5: Solve for x
x = 19,252,582,390.25/159,334.68 - Step 6: Final answer
x = 120,831.09
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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.