Home / 368,014.28-551,694.24-143,322.80

Finding the Fourth Proportional to 368,014.28, 551,694.24 and 143,322.80

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Solution

The fourth proportional to 368,014.28, 551,694.24 and 143,322.80 is: 214,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,014.28 : 551,694.24 = 143,322.80 : x
  2. Step 2: Convert to fraction form
    368,014.28/551,694.24 = 143,322.80/x
  3. Step 3: Cross multiply
    368,014.28x = 551,694.24 × 143,322.80
  4. Step 4: Simplify right side
    368,014.28x = 79,070,360,462.20
  5. Step 5: Solve for x
    x = 79,070,360,462.20/368,014.28
  6. Step 6: Final answer
    x = 214,856.78

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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.