Home / 344,801.40-517,202.10-108,143.70

Finding the Fourth Proportional to 344,801.40, 517,202.10 and 108,143.70

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Solution

The fourth proportional to 344,801.40, 517,202.10 and 108,143.70 is: 162,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,801.40 : 517,202.10 = 108,143.70 : x
  2. Step 2: Convert to fraction form
    344,801.40/517,202.10 = 108,143.70/x
  3. Step 3: Cross multiply
    344,801.40x = 517,202.10 × 108,143.70
  4. Step 4: Simplify right side
    344,801.40x = 55,932,148,741.77
  5. Step 5: Solve for x
    x = 55,932,148,741.77/344,801.40
  6. Step 6: Final answer
    x = 162,215.55

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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.