Home / 320,864.21-442,797.84-175,667.55

Finding the Fourth Proportional to 320,864.21, 442,797.84 and 175,667.55

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Solution

The fourth proportional to 320,864.21, 442,797.84 and 175,667.55 is: 242,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,864.21 : 442,797.84 = 175,667.55 : x
  2. Step 2: Convert to fraction form
    320,864.21/442,797.84 = 175,667.55/x
  3. Step 3: Cross multiply
    320,864.21x = 442,797.84 × 175,667.55
  4. Step 4: Simplify right side
    320,864.21x = 77,785,211,698.09
  5. Step 5: Solve for x
    x = 77,785,211,698.09/320,864.21
  6. Step 6: Final answer
    x = 242,424.08

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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.