Home / 256,023.46-383,916.32-149,438.19

Finding the Fourth Proportional to 256,023.46, 383,916.32 and 149,438.19

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Solution

The fourth proportional to 256,023.46, 383,916.32 and 149,438.19 is: 224,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,023.46 : 383,916.32 = 149,438.19 : x
  2. Step 2: Convert to fraction form
    256,023.46/383,916.32 = 149,438.19/x
  3. Step 3: Cross multiply
    256,023.46x = 383,916.32 × 149,438.19
  4. Step 4: Simplify right side
    256,023.46x = 57,371,759,972.26
  5. Step 5: Solve for x
    x = 57,371,759,972.26/256,023.46
  6. Step 6: Final answer
    x = 224,087.90

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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.