Home / 377,904.00-521,507.52-208,138.12

Finding the Fourth Proportional to 377,904.00, 521,507.52 and 208,138.12

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Solution

The fourth proportional to 377,904.00, 521,507.52 and 208,138.12 is: 287,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,904.00 : 521,507.52 = 208,138.12 : x
  2. Step 2: Convert to fraction form
    377,904.00/521,507.52 = 208,138.12/x
  3. Step 3: Cross multiply
    377,904.00x = 521,507.52 × 208,138.12
  4. Step 4: Simplify right side
    377,904.00x = 108,545,596,408.37
  5. Step 5: Solve for x
    x = 108,545,596,408.37/377,904.00
  6. Step 6: Final answer
    x = 287,230.61

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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.