Home / 301,006.10-415,329.85-178,475.78

Finding the Fourth Proportional to 301,006.10, 415,329.85 and 178,475.78

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Solution

The fourth proportional to 301,006.10, 415,329.85 and 178,475.78 is: 246,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,006.10 : 415,329.85 = 178,475.78 : x
  2. Step 2: Convert to fraction form
    301,006.10/415,329.85 = 178,475.78/x
  3. Step 3: Cross multiply
    301,006.10x = 415,329.85 × 178,475.78
  4. Step 4: Simplify right side
    301,006.10x = 74,126,318,936.03
  5. Step 5: Solve for x
    x = 74,126,318,936.03/301,006.10
  6. Step 6: Final answer
    x = 246,261.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.