Home / 272,997.30-376,723.80-152,151.78

Finding the Fourth Proportional to 272,997.30, 376,723.80 and 152,151.78

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Solution

The fourth proportional to 272,997.30, 376,723.80 and 152,151.78 is: 209,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,997.30 : 376,723.80 = 152,151.78 : x
  2. Step 2: Convert to fraction form
    272,997.30/376,723.80 = 152,151.78/x
  3. Step 3: Cross multiply
    272,997.30x = 376,723.80 × 152,151.78
  4. Step 4: Simplify right side
    272,997.30x = 57,319,196,738.36
  5. Step 5: Solve for x
    x = 57,319,196,738.36/272,997.30
  6. Step 6: Final answer
    x = 209,962.50

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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.