Home / 331,345.10-497,017.65-231,617.90

Finding the Fourth Proportional to 331,345.10, 497,017.65 and 231,617.90

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Solution

The fourth proportional to 331,345.10, 497,017.65 and 231,617.90 is: 347,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,345.10 : 497,017.65 = 231,617.90 : x
  2. Step 2: Convert to fraction form
    331,345.10/497,017.65 = 231,617.90/x
  3. Step 3: Cross multiply
    331,345.10x = 497,017.65 × 231,617.90
  4. Step 4: Simplify right side
    331,345.10x = 115,118,184,355.94
  5. Step 5: Solve for x
    x = 115,118,184,355.94/331,345.10
  6. Step 6: Final answer
    x = 347,426.85

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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.