Home / 340,458.48-469,761.24-197,209.92

Finding the Fourth Proportional to 340,458.48, 469,761.24 and 197,209.92

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Solution

The fourth proportional to 340,458.48, 469,761.24 and 197,209.92 is: 272,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,458.48 : 469,761.24 = 197,209.92 : x
  2. Step 2: Convert to fraction form
    340,458.48/469,761.24 = 197,209.92/x
  3. Step 3: Cross multiply
    340,458.48x = 469,761.24 × 197,209.92
  4. Step 4: Simplify right side
    340,458.48x = 92,641,576,559.50
  5. Step 5: Solve for x
    x = 92,641,576,559.50/340,458.48
  6. Step 6: Final answer
    x = 272,108.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.