Home / 392,956.20-589,088.70-235,247.40

Finding the Fourth Proportional to 392,956.20, 589,088.70 and 235,247.40

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Solution

The fourth proportional to 392,956.20, 589,088.70 and 235,247.40 is: 352,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,956.20 : 589,088.70 = 235,247.40 : x
  2. Step 2: Convert to fraction form
    392,956.20/589,088.70 = 235,247.40/x
  3. Step 3: Cross multiply
    392,956.20x = 589,088.70 × 235,247.40
  4. Step 4: Simplify right side
    392,956.20x = 138,581,585,044.38
  5. Step 5: Solve for x
    x = 138,581,585,044.38/392,956.20
  6. Step 6: Final answer
    x = 352,664.20

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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.