Home / 284,134.44-392,093.16-155,069.60

Finding the Fourth Proportional to 284,134.44, 392,093.16 and 155,069.60

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Solution

The fourth proportional to 284,134.44, 392,093.16 and 155,069.60 is: 213,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,134.44 : 392,093.16 = 155,069.60 : x
  2. Step 2: Convert to fraction form
    284,134.44/392,093.16 = 155,069.60/x
  3. Step 3: Cross multiply
    284,134.44x = 392,093.16 × 155,069.60
  4. Step 4: Simplify right side
    284,134.44x = 60,801,729,483.94
  5. Step 5: Solve for x
    x = 60,801,729,483.94/284,134.44
  6. Step 6: Final answer
    x = 213,989.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.