Home / 447,646.03-617,732.62-243,692.73

Finding the Fourth Proportional to 447,646.03, 617,732.62 and 243,692.73

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Solution

The fourth proportional to 447,646.03, 617,732.62 and 243,692.73 is: 336,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,646.03 : 617,732.62 = 243,692.73 : x
  2. Step 2: Convert to fraction form
    447,646.03/617,732.62 = 243,692.73/x
  3. Step 3: Cross multiply
    447,646.03x = 617,732.62 × 243,692.73
  4. Step 4: Simplify right side
    447,646.03x = 150,536,947,968.62
  5. Step 5: Solve for x
    x = 150,536,947,968.62/447,646.03
  6. Step 6: Final answer
    x = 336,285.68

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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.