Home / 455,924.10-683,886.15-140,477.70

Finding the Fourth Proportional to 455,924.10, 683,886.15 and 140,477.70

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Solution

The fourth proportional to 455,924.10, 683,886.15 and 140,477.70 is: 210,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,924.10 : 683,886.15 = 140,477.70 : x
  2. Step 2: Convert to fraction form
    455,924.10/683,886.15 = 140,477.70/x
  3. Step 3: Cross multiply
    455,924.10x = 683,886.15 × 140,477.70
  4. Step 4: Simplify right side
    455,924.10x = 96,070,753,413.86
  5. Step 5: Solve for x
    x = 96,070,753,413.86/455,924.10
  6. Step 6: Final answer
    x = 210,716.55

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Similar ratio
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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.