Home / 340,577.28-469,924.74-197,328.60

Finding the Fourth Proportional to 340,577.28, 469,924.74 and 197,328.60

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Solution

The fourth proportional to 340,577.28, 469,924.74 and 197,328.60 is: 272,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,577.28 : 469,924.74 = 197,328.60 : x
  2. Step 2: Convert to fraction form
    340,577.28/469,924.74 = 197,328.60/x
  3. Step 3: Cross multiply
    340,577.28x = 469,924.74 × 197,328.60
  4. Step 4: Simplify right side
    340,577.28x = 92,729,591,049.56
  5. Step 5: Solve for x
    x = 92,729,591,049.56/340,577.28
  6. Step 6: Final answer
    x = 272,271.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.