Home / 434,984.31-652,450.50-135,422.73

Finding the Fourth Proportional to 434,984.31, 652,450.50 and 135,422.73

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Solution

The fourth proportional to 434,984.31, 652,450.50 and 135,422.73 is: 203,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,984.31 : 652,450.50 = 135,422.73 : x
  2. Step 2: Convert to fraction form
    434,984.31/652,450.50 = 135,422.73/x
  3. Step 3: Cross multiply
    434,984.31x = 652,450.50 × 135,422.73
  4. Step 4: Simplify right side
    434,984.31x = 88,356,627,899.87
  5. Step 5: Solve for x
    x = 88,356,627,899.87/434,984.31
  6. Step 6: Final answer
    x = 203,126.01

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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.