Home / 268,220.36-369,483.11-229,856.74

Finding the Fourth Proportional to 268,220.36, 369,483.11 and 229,856.74

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Solution

The fourth proportional to 268,220.36, 369,483.11 and 229,856.74 is: 316,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,220.36 : 369,483.11 = 229,856.74 : x
  2. Step 2: Convert to fraction form
    268,220.36/369,483.11 = 229,856.74/x
  3. Step 3: Cross multiply
    268,220.36x = 369,483.11 × 229,856.74
  4. Step 4: Simplify right side
    268,220.36x = 84,928,183,149.66
  5. Step 5: Solve for x
    x = 84,928,183,149.66/268,220.36
  6. Step 6: Final answer
    x = 316,635.86

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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.