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Finding the Fourth Proportional to 335,254.73, 462,001.88 and 277,977.20

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Solution

The fourth proportional to 335,254.73, 462,001.88 and 277,977.20 is: 383,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,254.73 : 462,001.88 = 277,977.20 : x
  2. Step 2: Convert to fraction form
    335,254.73/462,001.88 = 277,977.20/x
  3. Step 3: Cross multiply
    335,254.73x = 462,001.88 × 277,977.20
  4. Step 4: Simplify right side
    335,254.73x = 128,425,987,607.25
  5. Step 5: Solve for x
    x = 128,425,987,607.25/335,254.73
  6. Step 6: Final answer
    x = 383,069.88

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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.