Home / 381,246.30-571,869.45-210,004.20

Finding the Fourth Proportional to 381,246.30, 571,869.45 and 210,004.20

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Solution

The fourth proportional to 381,246.30, 571,869.45 and 210,004.20 is: 315,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,246.30 : 571,869.45 = 210,004.20 : x
  2. Step 2: Convert to fraction form
    381,246.30/571,869.45 = 210,004.20/x
  3. Step 3: Cross multiply
    381,246.30x = 571,869.45 × 210,004.20
  4. Step 4: Simplify right side
    381,246.30x = 120,094,986,351.69
  5. Step 5: Solve for x
    x = 120,094,986,351.69/381,246.30
  6. Step 6: Final answer
    x = 315,006.30

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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.