Home / 320,983.36-442,904.88-185,022.88

Finding the Fourth Proportional to 320,983.36, 442,904.88 and 185,022.88

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Solution

The fourth proportional to 320,983.36, 442,904.88 and 185,022.88 is: 255,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,983.36 : 442,904.88 = 185,022.88 : x
  2. Step 2: Convert to fraction form
    320,983.36/442,904.88 = 185,022.88/x
  3. Step 3: Cross multiply
    320,983.36x = 442,904.88 × 185,022.88
  4. Step 4: Simplify right side
    320,983.36x = 81,947,536,463.65
  5. Step 5: Solve for x
    x = 81,947,536,463.65/320,983.36
  6. Step 6: Final answer
    x = 255,301.51

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1.5x scale

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.