Home / 331,128.91-456,967.66-234,505.63

Finding the Fourth Proportional to 331,128.91, 456,967.66 and 234,505.63

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Solution

The fourth proportional to 331,128.91, 456,967.66 and 234,505.63 is: 323,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128.91 : 456,967.66 = 234,505.63 : x
  2. Step 2: Convert to fraction form
    331,128.91/456,967.66 = 234,505.63/x
  3. Step 3: Cross multiply
    331,128.91x = 456,967.66 × 234,505.63
  4. Step 4: Simplify right side
    331,128.91x = 107,161,486,126.82
  5. Step 5: Solve for x
    x = 107,161,486,126.82/331,128.91
  6. Step 6: Final answer
    x = 323,624.68

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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.