Home / 374,935.28-517,410.72-205,169.42

Finding the Fourth Proportional to 374,935.28, 517,410.72 and 205,169.42

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Solution

The fourth proportional to 374,935.28, 517,410.72 and 205,169.42 is: 283,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,935.28 : 517,410.72 = 205,169.42 : x
  2. Step 2: Convert to fraction form
    374,935.28/517,410.72 = 205,169.42/x
  3. Step 3: Cross multiply
    374,935.28x = 517,410.72 × 205,169.42
  4. Step 4: Simplify right side
    374,935.28x = 106,156,857,324.18
  5. Step 5: Solve for x
    x = 106,156,857,324.18/374,935.28
  6. Step 6: Final answer
    x = 283,133.82

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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.