Home / 455,403.04-682,985.33-135,468.71

Finding the Fourth Proportional to 455,403.04, 682,985.33 and 135,468.71

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Solution

The fourth proportional to 455,403.04, 682,985.33 and 135,468.71 is: 203,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,403.04 : 682,985.33 = 135,468.71 : x
  2. Step 2: Convert to fraction form
    455,403.04/682,985.33 = 135,468.71/x
  3. Step 3: Cross multiply
    455,403.04x = 682,985.33 × 135,468.71
  4. Step 4: Simplify right side
    455,403.04x = 92,523,137,511.75
  5. Step 5: Solve for x
    x = 92,523,137,511.75/455,403.04
  6. Step 6: Final answer
    x = 203,167.59

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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.