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Finding the Fourth Proportional to 408,023.70, 562,908.28 and 246,598.50

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Solution

The fourth proportional to 408,023.70, 562,908.28 and 246,598.50 is: 340,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,023.70 : 562,908.28 = 246,598.50 : x
  2. Step 2: Convert to fraction form
    408,023.70/562,908.28 = 246,598.50/x
  3. Step 3: Cross multiply
    408,023.70x = 562,908.28 × 246,598.50
  4. Step 4: Simplify right side
    408,023.70x = 138,812,337,485.58
  5. Step 5: Solve for x
    x = 138,812,337,485.58/408,023.70
  6. Step 6: Final answer
    x = 340,206.56

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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.