Home / 321,960.24-444,284.10-178,720.20

Finding the Fourth Proportional to 321,960.24, 444,284.10 and 178,720.20

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Solution

The fourth proportional to 321,960.24, 444,284.10 and 178,720.20 is: 246,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,960.24 : 444,284.10 = 178,720.20 : x
  2. Step 2: Convert to fraction form
    321,960.24/444,284.10 = 178,720.20/x
  3. Step 3: Cross multiply
    321,960.24x = 444,284.10 × 178,720.20
  4. Step 4: Simplify right side
    321,960.24x = 79,402,543,208.82
  5. Step 5: Solve for x
    x = 79,402,543,208.82/321,960.24
  6. Step 6: Final answer
    x = 246,622.20

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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.