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Finding the Fourth Proportional to 544,847.20, 817,270.80 and 170,869.60

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Solution

The fourth proportional to 544,847.20, 817,270.80 and 170,869.60 is: 256,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,847.20 : 817,270.80 = 170,869.60 : x
  2. Step 2: Convert to fraction form
    544,847.20/817,270.80 = 170,869.60/x
  3. Step 3: Cross multiply
    544,847.20x = 817,270.80 × 170,869.60
  4. Step 4: Simplify right side
    544,847.20x = 139,646,734,687.68
  5. Step 5: Solve for x
    x = 139,646,734,687.68/544,847.20
  6. Step 6: Final answer
    x = 256,304.40

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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.