Home / 469,083.42-647,332.56-254,221.20

Finding the Fourth Proportional to 469,083.42, 647,332.56 and 254,221.20

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Solution

The fourth proportional to 469,083.42, 647,332.56 and 254,221.20 is: 350,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,083.42 : 647,332.56 = 254,221.20 : x
  2. Step 2: Convert to fraction form
    469,083.42/647,332.56 = 254,221.20/x
  3. Step 3: Cross multiply
    469,083.42x = 647,332.56 × 254,221.20
  4. Step 4: Simplify right side
    469,083.42x = 164,565,660,202.27
  5. Step 5: Solve for x
    x = 164,565,660,202.27/469,083.42
  6. Step 6: Final answer
    x = 350,823.87

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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.