Home / 451,780.52-677,529.25-163,555.79

Finding the Fourth Proportional to 451,780.52, 677,529.25 and 163,555.79

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Solution

The fourth proportional to 451,780.52, 677,529.25 and 163,555.79 is: 245,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,780.52 : 677,529.25 = 163,555.79 : x
  2. Step 2: Convert to fraction form
    451,780.52/677,529.25 = 163,555.79/x
  3. Step 3: Cross multiply
    451,780.52x = 677,529.25 × 163,555.79
  4. Step 4: Simplify right side
    451,780.52x = 110,813,827,935.32
  5. Step 5: Solve for x
    x = 110,813,827,935.32/451,780.52
  6. Step 6: Final answer
    x = 245,282.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.