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Finding the Fourth Proportional to 256,896.90, 360,246.15 and 256,896.90

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Solution

The fourth proportional to 256,896.90, 360,246.15 and 256,896.90 is: 360,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,896.90 : 360,246.15 = 256,896.90 : x
  2. Step 2: Convert to fraction form
    256,896.90/360,246.15 = 256,896.90/x
  3. Step 3: Cross multiply
    256,896.90x = 360,246.15 × 256,896.90
  4. Step 4: Simplify right side
    256,896.90x = 92,546,119,171.94
  5. Step 5: Solve for x
    x = 92,546,119,171.94/256,896.90
  6. Step 6: Final answer
    x = 360,246.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.