Home / 434,721.10-652,114.05-154,201.90

Finding the Fourth Proportional to 434,721.10, 652,114.05 and 154,201.90

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Solution

The fourth proportional to 434,721.10, 652,114.05 and 154,201.90 is: 231,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,721.10 : 652,114.05 = 154,201.90 : x
  2. Step 2: Convert to fraction form
    434,721.10/652,114.05 = 154,201.90/x
  3. Step 3: Cross multiply
    434,721.10x = 652,114.05 × 154,201.90
  4. Step 4: Simplify right side
    434,721.10x = 100,557,225,526.70
  5. Step 5: Solve for x
    x = 100,557,225,526.70/434,721.10
  6. Step 6: Final answer
    x = 231,314.34

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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.