Home / 279,973.02-419,959.85-69,610.98

Finding the Fourth Proportional to 279,973.02, 419,959.85 and 69,610.98

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Solution

The fourth proportional to 279,973.02, 419,959.85 and 69,610.98 is: 104,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,973.02 : 419,959.85 = 69,610.98 : x
  2. Step 2: Convert to fraction form
    279,973.02/419,959.85 = 69,610.98/x
  3. Step 3: Cross multiply
    279,973.02x = 419,959.85 × 69,610.98
  4. Step 4: Simplify right side
    279,973.02x = 29,233,816,371.10
  5. Step 5: Solve for x
    x = 29,233,816,371.10/279,973.02
  6. Step 6: Final answer
    x = 104,416.55

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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.