Home / 349,769.80-524,525.10-113,120.20

Finding the Fourth Proportional to 349,769.80, 524,525.10 and 113,120.20

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Solution

The fourth proportional to 349,769.80, 524,525.10 and 113,120.20 is: 169,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,769.80 : 524,525.10 = 113,120.20 : x
  2. Step 2: Convert to fraction form
    349,769.80/524,525.10 = 113,120.20/x
  3. Step 3: Cross multiply
    349,769.80x = 524,525.10 × 113,120.20
  4. Step 4: Simplify right side
    349,769.80x = 59,334,384,217.02
  5. Step 5: Solve for x
    x = 59,334,384,217.02/349,769.80
  6. Step 6: Final answer
    x = 169,638.39

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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.