Home / 323,288.72-445,984.08-251,175.20

Finding the Fourth Proportional to 323,288.72, 445,984.08 and 251,175.20

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Solution

The fourth proportional to 323,288.72, 445,984.08 and 251,175.20 is: 346,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,288.72 : 445,984.08 = 251,175.20 : x
  2. Step 2: Convert to fraction form
    323,288.72/445,984.08 = 251,175.20/x
  3. Step 3: Cross multiply
    323,288.72x = 445,984.08 × 251,175.20
  4. Step 4: Simplify right side
    323,288.72x = 112,020,140,490.82
  5. Step 5: Solve for x
    x = 112,020,140,490.82/323,288.72
  6. Step 6: Final answer
    x = 346,501.85

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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.