Home / 356,023.19-533,977.22-131,489.37

Finding the Fourth Proportional to 356,023.19, 533,977.22 and 131,489.37

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Solution

The fourth proportional to 356,023.19, 533,977.22 and 131,489.37 is: 197,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,023.19 : 533,977.22 = 131,489.37 : x
  2. Step 2: Convert to fraction form
    356,023.19/533,977.22 = 131,489.37/x
  3. Step 3: Cross multiply
    356,023.19x = 533,977.22 × 131,489.37
  4. Step 4: Simplify right side
    356,023.19x = 70,212,328,580.87
  5. Step 5: Solve for x
    x = 70,212,328,580.87/356,023.19
  6. Step 6: Final answer
    x = 197,212.79

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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.