Home / 283,236.48-424,557.18-142,700.40

Finding the Fourth Proportional to 283,236.48, 424,557.18 and 142,700.40

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Solution

The fourth proportional to 283,236.48, 424,557.18 and 142,700.40 is: 213,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,236.48 : 424,557.18 = 142,700.40 : x
  2. Step 2: Convert to fraction form
    283,236.48/424,557.18 = 142,700.40/x
  3. Step 3: Cross multiply
    283,236.48x = 424,557.18 × 142,700.40
  4. Step 4: Simplify right side
    283,236.48x = 60,584,479,408.87
  5. Step 5: Solve for x
    x = 60,584,479,408.87/283,236.48
  6. Step 6: Final answer
    x = 213,900.69

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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.