Home / 251,828.80-377,784.20-74,353.75

Finding the Fourth Proportional to 251,828.80, 377,784.20 and 74,353.75

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Solution

The fourth proportional to 251,828.80, 377,784.20 and 74,353.75 is: 111,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,828.80 : 377,784.20 = 74,353.75 : x
  2. Step 2: Convert to fraction form
    251,828.80/377,784.20 = 74,353.75/x
  3. Step 3: Cross multiply
    251,828.80x = 377,784.20 × 74,353.75
  4. Step 4: Simplify right side
    251,828.80x = 28,089,671,202.17
  5. Step 5: Solve for x
    x = 28,089,671,202.17/251,828.80
  6. Step 6: Final answer
    x = 111,542.73

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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.