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Finding the Fourth Proportional to 251,147.60, 376,602.60 and 145,998.80

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Solution

The fourth proportional to 251,147.60, 376,602.60 and 145,998.80 is: 218,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,147.60 : 376,602.60 = 145,998.80 : x
  2. Step 2: Convert to fraction form
    251,147.60/376,602.60 = 145,998.80/x
  3. Step 3: Cross multiply
    251,147.60x = 376,602.60 × 145,998.80
  4. Step 4: Simplify right side
    251,147.60x = 54,983,527,676.88
  5. Step 5: Solve for x
    x = 54,983,527,676.88/251,147.60
  6. Step 6: Final answer
    x = 218,929.14

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1.5x scale

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.