Home / 283,570.12-425,416.20-141,491.80

Finding the Fourth Proportional to 283,570.12, 425,416.20 and 141,491.80

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Solution

The fourth proportional to 283,570.12, 425,416.20 and 141,491.80 is: 212,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,570.12 : 425,416.20 = 141,491.80 : x
  2. Step 2: Convert to fraction form
    283,570.12/425,416.20 = 141,491.80/x
  3. Step 3: Cross multiply
    283,570.12x = 425,416.20 × 141,491.80
  4. Step 4: Simplify right side
    283,570.12x = 60,192,903,887.16
  5. Step 5: Solve for x
    x = 60,192,903,887.16/283,570.12
  6. Step 6: Final answer
    x = 212,268.15

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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.