Home / 377,829.27-521,396.89-205,749.27

Finding the Fourth Proportional to 377,829.27, 521,396.89 and 205,749.27

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Solution

The fourth proportional to 377,829.27, 521,396.89 and 205,749.27 is: 283,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,829.27 : 521,396.89 = 205,749.27 : x
  2. Step 2: Convert to fraction form
    377,829.27/521,396.89 = 205,749.27/x
  3. Step 3: Cross multiply
    377,829.27x = 521,396.89 × 205,749.27
  4. Step 4: Simplify right side
    377,829.27x = 107,277,028,983.40
  5. Step 5: Solve for x
    x = 107,277,028,983.40/377,829.27
  6. Step 6: Final answer
    x = 283,929.91

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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.