Home / 226,298.72-312,257.52-130,786.97

Finding the Fourth Proportional to 226,298.72, 312,257.52 and 130,786.97

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Solution

The fourth proportional to 226,298.72, 312,257.52 and 130,786.97 is: 180,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,298.72 : 312,257.52 = 130,786.97 : x
  2. Step 2: Convert to fraction form
    226,298.72/312,257.52 = 130,786.97/x
  3. Step 3: Cross multiply
    226,298.72x = 312,257.52 × 130,786.97
  4. Step 4: Simplify right side
    226,298.72x = 40,839,214,900.51
  5. Step 5: Solve for x
    x = 40,839,214,900.51/226,298.72
  6. Step 6: Final answer
    x = 180,465.96

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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.