Home / 284,283.28-426,347.08-106,776.56

Finding the Fourth Proportional to 284,283.28, 426,347.08 and 106,776.56

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Solution

The fourth proportional to 284,283.28, 426,347.08 and 106,776.56 is: 160,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,283.28 : 426,347.08 = 106,776.56 : x
  2. Step 2: Convert to fraction form
    284,283.28/426,347.08 = 106,776.56/x
  3. Step 3: Cross multiply
    284,283.28x = 426,347.08 × 106,776.56
  4. Step 4: Simplify right side
    284,283.28x = 45,523,874,568.44
  5. Step 5: Solve for x
    x = 45,523,874,568.44/284,283.28
  6. Step 6: Final answer
    x = 160,135.60

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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.