Home / 238,223.15-356,998.78-131,655.10

Finding the Fourth Proportional to 238,223.15, 356,998.78 and 131,655.10

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Solution

The fourth proportional to 238,223.15, 356,998.78 and 131,655.10 is: 197,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,223.15 : 356,998.78 = 131,655.10 : x
  2. Step 2: Convert to fraction form
    238,223.15/356,998.78 = 131,655.10/x
  3. Step 3: Cross multiply
    238,223.15x = 356,998.78 × 131,655.10
  4. Step 4: Simplify right side
    238,223.15x = 47,000,709,352.85
  5. Step 5: Solve for x
    x = 47,000,709,352.85/238,223.15
  6. Step 6: Final answer
    x = 197,296.98

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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.