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Finding the Fourth Proportional to 455,800.59, 683,234.28 and 230,743.71

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Solution

The fourth proportional to 455,800.59, 683,234.28 and 230,743.71 is: 345,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,800.59 : 683,234.28 = 230,743.71 : x
  2. Step 2: Convert to fraction form
    455,800.59/683,234.28 = 230,743.71/x
  3. Step 3: Cross multiply
    455,800.59x = 683,234.28 × 230,743.71
  4. Step 4: Simplify right side
    455,800.59x = 157,652,012,566.38
  5. Step 5: Solve for x
    x = 157,652,012,566.38/455,800.59
  6. Step 6: Final answer
    x = 345,879.35

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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.