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Finding the Fourth Proportional to 251,291.10, 376,807.05 and 93,438.30

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Solution

The fourth proportional to 251,291.10, 376,807.05 and 93,438.30 is: 140,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,291.10 : 376,807.05 = 93,438.30 : x
  2. Step 2: Convert to fraction form
    251,291.10/376,807.05 = 93,438.30/x
  3. Step 3: Cross multiply
    251,291.10x = 376,807.05 × 93,438.30
  4. Step 4: Simplify right side
    251,291.10x = 35,208,210,180.02
  5. Step 5: Solve for x
    x = 35,208,210,180.02/251,291.10
  6. Step 6: Final answer
    x = 140,109.26

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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.