Home / 256,299.66-384,480.27-106,641.23

Finding the Fourth Proportional to 256,299.66, 384,480.27 and 106,641.23

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Solution

The fourth proportional to 256,299.66, 384,480.27 and 106,641.23 is: 159,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,299.66 : 384,480.27 = 106,641.23 : x
  2. Step 2: Convert to fraction form
    256,299.66/384,480.27 = 106,641.23/x
  3. Step 3: Cross multiply
    256,299.66x = 384,480.27 × 106,641.23
  4. Step 4: Simplify right side
    256,299.66x = 41,001,446,981.13
  5. Step 5: Solve for x
    x = 41,001,446,981.13/256,299.66
  6. Step 6: Final answer
    x = 159,974.64

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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.