Home / 279,424.36-419,132.44-69,062.32

Finding the Fourth Proportional to 279,424.36, 419,132.44 and 69,062.32

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Solution

The fourth proportional to 279,424.36, 419,132.44 and 69,062.32 is: 103,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,424.36 : 419,132.44 = 69,062.32 : x
  2. Step 2: Convert to fraction form
    279,424.36/419,132.44 = 69,062.32/x
  3. Step 3: Cross multiply
    279,424.36x = 419,132.44 × 69,062.32
  4. Step 4: Simplify right side
    279,424.36x = 28,946,258,693.66
  5. Step 5: Solve for x
    x = 28,946,258,693.66/279,424.36
  6. Step 6: Final answer
    x = 103,592.47

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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.