Home / 283,487.51-425,292.85-131,777.72

Finding the Fourth Proportional to 283,487.51, 425,292.85 and 131,777.72

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Solution

The fourth proportional to 283,487.51, 425,292.85 and 131,777.72 is: 197,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,487.51 : 425,292.85 = 131,777.72 : x
  2. Step 2: Convert to fraction form
    283,487.51/425,292.85 = 131,777.72/x
  3. Step 3: Cross multiply
    283,487.51x = 425,292.85 × 131,777.72
  4. Step 4: Simplify right side
    283,487.51x = 56,044,119,978.84
  5. Step 5: Solve for x
    x = 56,044,119,978.84/283,487.51
  6. Step 6: Final answer
    x = 197,695.20

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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.