Home / 349,780.80-524,541.60-113,131.20

Finding the Fourth Proportional to 349,780.80, 524,541.60 and 113,131.20

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Solution

The fourth proportional to 349,780.80, 524,541.60 and 113,131.20 is: 169,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,780.80 : 524,541.60 = 113,131.20 : x
  2. Step 2: Convert to fraction form
    349,780.80/524,541.60 = 113,131.20/x
  3. Step 3: Cross multiply
    349,780.80x = 524,541.60 × 113,131.20
  4. Step 4: Simplify right side
    349,780.80x = 59,342,020,657.92
  5. Step 5: Solve for x
    x = 59,342,020,657.92/349,780.80
  6. Step 6: Final answer
    x = 169,654.88

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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.