Home / 251,720.36-377,539.25-69,308.62

Finding the Fourth Proportional to 251,720.36, 377,539.25 and 69,308.62

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Solution

The fourth proportional to 251,720.36, 377,539.25 and 69,308.62 is: 103,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,720.36 : 377,539.25 = 69,308.62 : x
  2. Step 2: Convert to fraction form
    251,720.36/377,539.25 = 69,308.62/x
  3. Step 3: Cross multiply
    251,720.36x = 377,539.25 × 69,308.62
  4. Step 4: Simplify right side
    251,720.36x = 26,166,723,642.76
  5. Step 5: Solve for x
    x = 26,166,723,642.76/251,720.36
  6. Step 6: Final answer
    x = 103,951.56

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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.