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Finding the Fourth Proportional to 299,758.40, 449,637.60 and 150,459.20

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Solution

The fourth proportional to 299,758.40, 449,637.60 and 150,459.20 is: 225,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,758.40 : 449,637.60 = 150,459.20 : x
  2. Step 2: Convert to fraction form
    299,758.40/449,637.60 = 150,459.20/x
  3. Step 3: Cross multiply
    299,758.40x = 449,637.60 × 150,459.20
  4. Step 4: Simplify right side
    299,758.40x = 67,652,113,585.92
  5. Step 5: Solve for x
    x = 67,652,113,585.92/299,758.40
  6. Step 6: Final answer
    x = 225,688.80

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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.