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Finding the Fourth Proportional to 344,156.72, 474,744.85 and 319,801.10

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Solution

The fourth proportional to 344,156.72, 474,744.85 and 319,801.10 is: 441,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,156.72 : 474,744.85 = 319,801.10 : x
  2. Step 2: Convert to fraction form
    344,156.72/474,744.85 = 319,801.10/x
  3. Step 3: Cross multiply
    344,156.72x = 474,744.85 × 319,801.10
  4. Step 4: Simplify right side
    344,156.72x = 151,823,922,076.11
  5. Step 5: Solve for x
    x = 151,823,922,076.11/344,156.72
  6. Step 6: Final answer
    x = 441,147.64

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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.