Home / 283,629.20-425,443.80-266,133.20

Finding the Fourth Proportional to 283,629.20, 425,443.80 and 266,133.20

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Solution

The fourth proportional to 283,629.20, 425,443.80 and 266,133.20 is: 399,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,629.20 : 425,443.80 = 266,133.20 : x
  2. Step 2: Convert to fraction form
    283,629.20/425,443.80 = 266,133.20/x
  3. Step 3: Cross multiply
    283,629.20x = 425,443.80 × 266,133.20
  4. Step 4: Simplify right side
    283,629.20x = 113,224,719,914.16
  5. Step 5: Solve for x
    x = 113,224,719,914.16/283,629.20
  6. Step 6: Final answer
    x = 399,199.80

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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.