Home / 371,749.80-557,624.70-135,100.20

Finding the Fourth Proportional to 371,749.80, 557,624.70 and 135,100.20

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Solution

The fourth proportional to 371,749.80, 557,624.70 and 135,100.20 is: 202,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,749.80 : 557,624.70 = 135,100.20 : x
  2. Step 2: Convert to fraction form
    371,749.80/557,624.70 = 135,100.20/x
  3. Step 3: Cross multiply
    371,749.80x = 557,624.70 × 135,100.20
  4. Step 4: Simplify right side
    371,749.80x = 75,335,208,494.94
  5. Step 5: Solve for x
    x = 75,335,208,494.94/371,749.80
  6. Step 6: Final answer
    x = 202,650.30

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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.