Home / 277,829.28-383,439.12-164,695.20

Finding the Fourth Proportional to 277,829.28, 383,439.12 and 164,695.20

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Solution

The fourth proportional to 277,829.28, 383,439.12 and 164,695.20 is: 227,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,829.28 : 383,439.12 = 164,695.20 : x
  2. Step 2: Convert to fraction form
    277,829.28/383,439.12 = 164,695.20/x
  3. Step 3: Cross multiply
    277,829.28x = 383,439.12 × 164,695.20
  4. Step 4: Simplify right side
    277,829.28x = 63,150,582,556.22
  5. Step 5: Solve for x
    x = 63,150,582,556.22/277,829.28
  6. Step 6: Final answer
    x = 227,299.95

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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.