Home / 274,485.20-411,767.15-84,962.21

Finding the Fourth Proportional to 274,485.20, 411,767.15 and 84,962.21

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Solution

The fourth proportional to 274,485.20, 411,767.15 and 84,962.21 is: 127,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,485.20 : 411,767.15 = 84,962.21 : x
  2. Step 2: Convert to fraction form
    274,485.20/411,767.15 = 84,962.21/x
  3. Step 3: Cross multiply
    274,485.20x = 411,767.15 × 84,962.21
  4. Step 4: Simplify right side
    274,485.20x = 34,984,644,585.75
  5. Step 5: Solve for x
    x = 34,984,644,585.75/274,485.20
  6. Step 6: Final answer
    x = 127,455.49

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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.