Home / 226,387.70-312,346.83-135,710.58

Finding the Fourth Proportional to 226,387.70, 312,346.83 and 135,710.58

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Solution

The fourth proportional to 226,387.70, 312,346.83 and 135,710.58 is: 187,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,387.70 : 312,346.83 = 135,710.58 : x
  2. Step 2: Convert to fraction form
    226,387.70/312,346.83 = 135,710.58/x
  3. Step 3: Cross multiply
    226,387.70x = 312,346.83 × 135,710.58
  4. Step 4: Simplify right side
    226,387.70x = 42,388,770,062.26
  5. Step 5: Solve for x
    x = 42,388,770,062.26/226,387.70
  6. Step 6: Final answer
    x = 187,239.72

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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.