Home / 268,023.60-369,845.28-154,882.80

Finding the Fourth Proportional to 268,023.60, 369,845.28 and 154,882.80

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Solution

The fourth proportional to 268,023.60, 369,845.28 and 154,882.80 is: 213,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,023.60 : 369,845.28 = 154,882.80 : x
  2. Step 2: Convert to fraction form
    268,023.60/369,845.28 = 154,882.80/x
  3. Step 3: Cross multiply
    268,023.60x = 369,845.28 × 154,882.80
  4. Step 4: Simplify right side
    268,023.60x = 57,282,672,533.18
  5. Step 5: Solve for x
    x = 57,282,672,533.18/268,023.60
  6. Step 6: Final answer
    x = 213,722.50

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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.