Home / 251,846.20-377,769.30-145,412.20

Finding the Fourth Proportional to 251,846.20, 377,769.30 and 145,412.20

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Solution

The fourth proportional to 251,846.20, 377,769.30 and 145,412.20 is: 218,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,846.20 : 377,769.30 = 145,412.20 : x
  2. Step 2: Convert to fraction form
    251,846.20/377,769.30 = 145,412.20/x
  3. Step 3: Cross multiply
    251,846.20x = 377,769.30 × 145,412.20
  4. Step 4: Simplify right side
    251,846.20x = 54,932,265,005.46
  5. Step 5: Solve for x
    x = 54,932,265,005.46/251,846.20
  6. Step 6: Final answer
    x = 218,118.30

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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.