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Finding the Fourth Proportional to 455,329.52, 683,027.28 and 174,846.78

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Solution

The fourth proportional to 455,329.52, 683,027.28 and 174,846.78 is: 262,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,329.52 : 683,027.28 = 174,846.78 : x
  2. Step 2: Convert to fraction form
    455,329.52/683,027.28 = 174,846.78/x
  3. Step 3: Cross multiply
    455,329.52x = 683,027.28 × 174,846.78
  4. Step 4: Simplify right side
    455,329.52x = 119,425,120,560.16
  5. Step 5: Solve for x
    x = 119,425,120,560.16/455,329.52
  6. Step 6: Final answer
    x = 262,282.84

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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.