Home / 288,155.77-397,618.28-160,836.73

Finding the Fourth Proportional to 288,155.77, 397,618.28 and 160,836.73

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Solution

The fourth proportional to 288,155.77, 397,618.28 and 160,836.73 is: 221,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,155.77 : 397,618.28 = 160,836.73 : x
  2. Step 2: Convert to fraction form
    288,155.77/397,618.28 = 160,836.73/x
  3. Step 3: Cross multiply
    288,155.77x = 397,618.28 × 160,836.73
  4. Step 4: Simplify right side
    288,155.77x = 63,951,623,943.42
  5. Step 5: Solve for x
    x = 63,951,623,943.42/288,155.77
  6. Step 6: Final answer
    x = 221,934.21

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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.