Home / 372,007.56-557,667.08-135,286.68

Finding the Fourth Proportional to 372,007.56, 557,667.08 and 135,286.68

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Solution

The fourth proportional to 372,007.56, 557,667.08 and 135,286.68 is: 202,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,007.56 : 557,667.08 = 135,286.68 : x
  2. Step 2: Convert to fraction form
    372,007.56/557,667.08 = 135,286.68/x
  3. Step 3: Cross multiply
    372,007.56x = 557,667.08 × 135,286.68
  4. Step 4: Simplify right side
    372,007.56x = 75,444,927,798.49
  5. Step 5: Solve for x
    x = 75,444,927,798.49/372,007.56
  6. Step 6: Final answer
    x = 202,804.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.