Home / 226,558.40-312,563.36-145,979.52

Finding the Fourth Proportional to 226,558.40, 312,563.36 and 145,979.52

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Solution

The fourth proportional to 226,558.40, 312,563.36 and 145,979.52 is: 201,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,558.40 : 312,563.36 = 145,979.52 : x
  2. Step 2: Convert to fraction form
    226,558.40/312,563.36 = 145,979.52/x
  3. Step 3: Cross multiply
    226,558.40x = 312,563.36 × 145,979.52
  4. Step 4: Simplify right side
    226,558.40x = 45,627,849,262.39
  5. Step 5: Solve for x
    x = 45,627,849,262.39/226,558.40
  6. Step 6: Final answer
    x = 201,395.53

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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.