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Finding the Fourth Proportional to 408,149.76, 563,160.24 and 246,973.44

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Solution

The fourth proportional to 408,149.76, 563,160.24 and 246,973.44 is: 340,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,149.76 : 563,160.24 = 246,973.44 : x
  2. Step 2: Convert to fraction form
    408,149.76/563,160.24 = 246,973.44/x
  3. Step 3: Cross multiply
    408,149.76x = 563,160.24 × 246,973.44
  4. Step 4: Simplify right side
    408,149.76x = 139,085,621,744.03
  5. Step 5: Solve for x
    x = 139,085,621,744.03/408,149.76
  6. Step 6: Final answer
    x = 340,771.05

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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.