Home / 455,587.20-683,391.60-140,046.84

Finding the Fourth Proportional to 455,587.20, 683,391.60 and 140,046.84

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Solution

The fourth proportional to 455,587.20, 683,391.60 and 140,046.84 is: 210,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,587.20 : 683,391.60 = 140,046.84 : x
  2. Step 2: Convert to fraction form
    455,587.20/683,391.60 = 140,046.84/x
  3. Step 3: Cross multiply
    455,587.20x = 683,391.60 × 140,046.84
  4. Step 4: Simplify right side
    455,587.20x = 95,706,834,062.54
  5. Step 5: Solve for x
    x = 95,706,834,062.54/455,587.20
  6. Step 6: Final answer
    x = 210,073.58

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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.