Home / 307,748.20-460,844.70-245,540.20

Finding the Fourth Proportional to 307,748.20, 460,844.70 and 245,540.20

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Solution

The fourth proportional to 307,748.20, 460,844.70 and 245,540.20 is: 367,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,748.20 : 460,844.70 = 245,540.20 : x
  2. Step 2: Convert to fraction form
    307,748.20/460,844.70 = 245,540.20/x
  3. Step 3: Cross multiply
    307,748.20x = 460,844.70 × 245,540.20
  4. Step 4: Simplify right side
    307,748.20x = 113,155,899,806.94
  5. Step 5: Solve for x
    x = 113,155,899,806.94/307,748.20
  6. Step 6: Final answer
    x = 367,689.88

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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.