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Finding the Fourth Proportional to 455,770.80, 683,238.24 and 175,076.64

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Solution

The fourth proportional to 455,770.80, 683,238.24 and 175,076.64 is: 262,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,770.80 : 683,238.24 = 175,076.64 : x
  2. Step 2: Convert to fraction form
    455,770.80/683,238.24 = 175,076.64/x
  3. Step 3: Cross multiply
    455,770.80x = 683,238.24 × 175,076.64
  4. Step 4: Simplify right side
    455,770.80x = 119,619,055,378.71
  5. Step 5: Solve for x
    x = 119,619,055,378.71/455,770.80
  6. Step 6: Final answer
    x = 262,454.41

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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.