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Finding the Fourth Proportional to 283,868.47, 425,424.42 and 134,148.52

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Solution

The fourth proportional to 283,868.47, 425,424.42 and 134,148.52 is: 201,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,868.47 : 425,424.42 = 134,148.52 : x
  2. Step 2: Convert to fraction form
    283,868.47/425,424.42 = 134,148.52/x
  3. Step 3: Cross multiply
    283,868.47x = 425,424.42 × 134,148.52
  4. Step 4: Simplify right side
    283,868.47x = 57,070,056,314.86
  5. Step 5: Solve for x
    x = 57,070,056,314.86/283,868.47
  6. Step 6: Final answer
    x = 201,044.01

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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.