Home / 272,867.78-376,558.00-152,013.36

Finding the Fourth Proportional to 272,867.78, 376,558.00 and 152,013.36

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Solution

The fourth proportional to 272,867.78, 376,558.00 and 152,013.36 is: 209,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,867.78 : 376,558.00 = 152,013.36 : x
  2. Step 2: Convert to fraction form
    272,867.78/376,558.00 = 152,013.36/x
  3. Step 3: Cross multiply
    272,867.78x = 376,558.00 × 152,013.36
  4. Step 4: Simplify right side
    272,867.78x = 57,241,846,370.11
  5. Step 5: Solve for x
    x = 57,241,846,370.11/272,867.78
  6. Step 6: Final answer
    x = 209,778.70

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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.