Home / 268,005.10-402,007.65-162,856.30

Finding the Fourth Proportional to 268,005.10, 402,007.65 and 162,856.30

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Solution

The fourth proportional to 268,005.10, 402,007.65 and 162,856.30 is: 244,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,005.10 : 402,007.65 = 162,856.30 : x
  2. Step 2: Convert to fraction form
    268,005.10/402,007.65 = 162,856.30/x
  3. Step 3: Cross multiply
    268,005.10x = 402,007.65 × 162,856.30
  4. Step 4: Simplify right side
    268,005.10x = 65,469,478,450.70
  5. Step 5: Solve for x
    x = 65,469,478,450.70/268,005.10
  6. Step 6: Final answer
    x = 244,284.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.