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Finding the Fourth Proportional to 268,660.32, 370,746.08 and 147,794.56

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Solution

The fourth proportional to 268,660.32, 370,746.08 and 147,794.56 is: 203,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,660.32 : 370,746.08 = 147,794.56 : x
  2. Step 2: Convert to fraction form
    268,660.32/370,746.08 = 147,794.56/x
  3. Step 3: Cross multiply
    268,660.32x = 370,746.08 × 147,794.56
  4. Step 4: Simplify right side
    268,660.32x = 54,794,253,765.32
  5. Step 5: Solve for x
    x = 54,794,253,765.32/268,660.32
  6. Step 6: Final answer
    x = 203,953.65

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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.