Home / 226,581.36-312,604.40-140,509.40

Finding the Fourth Proportional to 226,581.36, 312,604.40 and 140,509.40

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Solution

The fourth proportional to 226,581.36, 312,604.40 and 140,509.40 is: 193,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,581.36 : 312,604.40 = 140,509.40 : x
  2. Step 2: Convert to fraction form
    226,581.36/312,604.40 = 140,509.40/x
  3. Step 3: Cross multiply
    226,581.36x = 312,604.40 × 140,509.40
  4. Step 4: Simplify right side
    226,581.36x = 43,923,856,681.36
  5. Step 5: Solve for x
    x = 43,923,856,681.36/226,581.36
  6. Step 6: Final answer
    x = 193,854.68

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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.