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Finding the Fourth Proportional to 251,269.60, 376,904.40 and 146,207.20

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Solution

The fourth proportional to 251,269.60, 376,904.40 and 146,207.20 is: 219,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,269.60 : 376,904.40 = 146,207.20 : x
  2. Step 2: Convert to fraction form
    251,269.60/376,904.40 = 146,207.20/x
  3. Step 3: Cross multiply
    251,269.60x = 376,904.40 × 146,207.20
  4. Step 4: Simplify right side
    251,269.60x = 55,106,136,991.68
  5. Step 5: Solve for x
    x = 55,106,136,991.68/251,269.60
  6. Step 6: Final answer
    x = 219,310.80

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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.