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Finding the Fourth Proportional to 256,010.32, 383,896.68 and 149,424.95

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Solution

The fourth proportional to 256,010.32, 383,896.68 and 149,424.95 is: 224,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,010.32 : 383,896.68 = 149,424.95 : x
  2. Step 2: Convert to fraction form
    256,010.32/383,896.68 = 149,424.95/x
  3. Step 3: Cross multiply
    256,010.32x = 383,896.68 × 149,424.95
  4. Step 4: Simplify right side
    256,010.32x = 57,363,742,214.17
  5. Step 5: Solve for x
    x = 57,363,742,214.17/256,010.32
  6. Step 6: Final answer
    x = 224,068.09

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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.