Home / 392,835.30-589,276.23-123,013.90

Finding the Fourth Proportional to 392,835.30, 589,276.23 and 123,013.90

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Solution

The fourth proportional to 392,835.30, 589,276.23 and 123,013.90 is: 184,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,835.30 : 589,276.23 = 123,013.90 : x
  2. Step 2: Convert to fraction form
    392,835.30/589,276.23 = 123,013.90/x
  3. Step 3: Cross multiply
    392,835.30x = 589,276.23 × 123,013.90
  4. Step 4: Simplify right side
    392,835.30x = 72,489,167,229.60
  5. Step 5: Solve for x
    x = 72,489,167,229.60/392,835.30
  6. Step 6: Final answer
    x = 184,528.14

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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.