Home / 283,544.20-425,316.30-143,284.60

Finding the Fourth Proportional to 283,544.20, 425,316.30 and 143,284.60

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Solution

The fourth proportional to 283,544.20, 425,316.30 and 143,284.60 is: 214,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,544.20 : 425,316.30 = 143,284.60 : x
  2. Step 2: Convert to fraction form
    283,544.20/425,316.30 = 143,284.60/x
  3. Step 3: Cross multiply
    283,544.20x = 425,316.30 × 143,284.60
  4. Step 4: Simplify right side
    283,544.20x = 60,941,275,918.98
  5. Step 5: Solve for x
    x = 60,941,275,918.98/283,544.20
  6. Step 6: Final answer
    x = 214,926.90

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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.