Home / 371,837.32-557,822.94-135,511.72

Finding the Fourth Proportional to 371,837.32, 557,822.94 and 135,511.72

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Solution

The fourth proportional to 371,837.32, 557,822.94 and 135,511.72 is: 203,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,837.32 : 557,822.94 = 135,511.72 : x
  2. Step 2: Convert to fraction form
    371,837.32/557,822.94 = 135,511.72/x
  3. Step 3: Cross multiply
    371,837.32x = 557,822.94 × 135,511.72
  4. Step 4: Simplify right side
    371,837.32x = 75,591,546,054.86
  5. Step 5: Solve for x
    x = 75,591,546,054.86/371,837.32
  6. Step 6: Final answer
    x = 203,291.98

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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.