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Finding the Fourth Proportional to 251,010.30, 376,807.05 and 151,283.10

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Solution

The fourth proportional to 251,010.30, 376,807.05 and 151,283.10 is: 227,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,010.30 : 376,807.05 = 151,283.10 : x
  2. Step 2: Convert to fraction form
    251,010.30/376,807.05 = 151,283.10/x
  3. Step 3: Cross multiply
    251,010.30x = 376,807.05 × 151,283.10
  4. Step 4: Simplify right side
    251,010.30x = 57,004,538,625.86
  5. Step 5: Solve for x
    x = 57,004,538,625.86/251,010.30
  6. Step 6: Final answer
    x = 227,100.40

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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.