Home / 372,205.32-557,970.08-135,380.56

Finding the Fourth Proportional to 372,205.32, 557,970.08 and 135,380.56

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Solution

The fourth proportional to 372,205.32, 557,970.08 and 135,380.56 is: 202,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,205.32 : 557,970.08 = 135,380.56 : x
  2. Step 2: Convert to fraction form
    372,205.32/557,970.08 = 135,380.56/x
  3. Step 3: Cross multiply
    372,205.32x = 557,970.08 × 135,380.56
  4. Step 4: Simplify right side
    372,205.32x = 75,538,301,893.64
  5. Step 5: Solve for x
    x = 75,538,301,893.64/372,205.32
  6. Step 6: Final answer
    x = 202,947.94

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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.