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Finding the Fourth Proportional to 283,510.11, 425,348.22 and 83,835.68

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Solution

The fourth proportional to 283,510.11, 425,348.22 and 83,835.68 is: 125,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,510.11 : 425,348.22 = 83,835.68 : x
  2. Step 2: Convert to fraction form
    283,510.11/425,348.22 = 83,835.68/x
  3. Step 3: Cross multiply
    283,510.11x = 425,348.22 × 83,835.68
  4. Step 4: Simplify right side
    283,510.11x = 35,659,357,260.49
  5. Step 5: Solve for x
    x = 35,659,357,260.49/283,510.11
  6. Step 6: Final answer
    x = 125,778.08

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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.