Finding the Fourth Proportional to 159,626.68, 239,595.85 and 131,829.91
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Solution
The fourth proportional to 159,626.68, 239,595.85 and 131,829.91 is: 197,873.56
Step by Step Solution
- Step 1: Write the proportion equation
159,626.68 : 239,595.85 = 131,829.91 : x - Step 2: Convert to fraction form
159,626.68/239,595.85 = 131,829.91/x - Step 3: Cross multiply
159,626.68x = 239,595.85 × 131,829.91 - Step 4: Simplify right side
159,626.68x = 31,585,899,884.63 - Step 5: Solve for x
x = 31,585,899,884.63/159,626.68 - Step 6: Final answer
x = 197,873.56
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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.