Finding the Fourth Proportional to 159,862.30, 239,793.42 and 47,542.06
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Solution
The fourth proportional to 159,862.30, 239,793.42 and 47,542.06 is: 71,313.08
Step by Step Solution
- Step 1: Write the proportion equation
159,862.30 : 239,793.42 = 47,542.06 : x - Step 2: Convert to fraction form
159,862.30/239,793.42 = 47,542.06/x - Step 3: Cross multiply
159,862.30x = 239,793.42 × 47,542.06 - Step 4: Simplify right side
159,862.30x = 11,400,273,161.25 - Step 5: Solve for x
x = 11,400,273,161.25/159,862.30 - Step 6: Final answer
x = 71,313.08
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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.