Home / 347,230.31-520,865.79-133,999.35

Finding the Fourth Proportional to 347,230.31, 520,865.79 and 133,999.35

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Solution

The fourth proportional to 347,230.31, 520,865.79 and 133,999.35 is: 201,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,230.31 : 520,865.79 = 133,999.35 : x
  2. Step 2: Convert to fraction form
    347,230.31/520,865.79 = 133,999.35/x
  3. Step 3: Cross multiply
    347,230.31x = 520,865.79 × 133,999.35
  4. Step 4: Simplify right side
    347,230.31x = 69,795,675,595.24
  5. Step 5: Solve for x
    x = 69,795,675,595.24/347,230.31
  6. Step 6: Final answer
    x = 201,006.86

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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.