Finding the Fourth Proportional to 159,820.92, 239,701.68 and 53,206.56
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Solution
The fourth proportional to 159,820.92, 239,701.68 and 53,206.56 is: 79,799.95
Step by Step Solution
- Step 1: Write the proportion equation
159,820.92 : 239,701.68 = 53,206.56 : x - Step 2: Convert to fraction form
159,820.92/239,701.68 = 53,206.56/x - Step 3: Cross multiply
159,820.92x = 239,701.68 × 53,206.56 - Step 4: Simplify right side
159,820.92x = 12,753,701,819.02 - Step 5: Solve for x
x = 12,753,701,819.02/159,820.92 - Step 6: Final answer
x = 79,799.95
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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.