Home / 455,971.92-683,925.48-140,395.92

Finding the Fourth Proportional to 455,971.92, 683,925.48 and 140,395.92

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Solution

The fourth proportional to 455,971.92, 683,925.48 and 140,395.92 is: 210,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,971.92 : 683,925.48 = 140,395.92 : x
  2. Step 2: Convert to fraction form
    455,971.92/683,925.48 = 140,395.92/x
  3. Step 3: Cross multiply
    455,971.92x = 683,925.48 × 140,395.92
  4. Step 4: Simplify right side
    455,971.92x = 96,020,346,976.04
  5. Step 5: Solve for x
    x = 96,020,346,976.04/455,971.92
  6. Step 6: Final answer
    x = 210,583.90

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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.