Home / 376,236.90-519,172.59-223,248.72

Finding the Fourth Proportional to 376,236.90, 519,172.59 and 223,248.72

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Solution

The fourth proportional to 376,236.90, 519,172.59 and 223,248.72 is: 308,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,236.90 : 519,172.59 = 223,248.72 : x
  2. Step 2: Convert to fraction form
    376,236.90/519,172.59 = 223,248.72/x
  3. Step 3: Cross multiply
    376,236.90x = 519,172.59 × 223,248.72
  4. Step 4: Simplify right side
    376,236.90x = 115,904,616,176.59
  5. Step 5: Solve for x
    x = 115,904,616,176.59/376,236.90
  6. Step 6: Final answer
    x = 308,062.86

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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.