Home / 340,568.28-469,912.32-197,319.60

Finding the Fourth Proportional to 340,568.28, 469,912.32 and 197,319.60

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Solution

The fourth proportional to 340,568.28, 469,912.32 and 197,319.60 is: 272,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,568.28 : 469,912.32 = 197,319.60 : x
  2. Step 2: Convert to fraction form
    340,568.28/469,912.32 = 197,319.60/x
  3. Step 3: Cross multiply
    340,568.28x = 469,912.32 × 197,319.60
  4. Step 4: Simplify right side
    340,568.28x = 92,722,911,017.47
  5. Step 5: Solve for x
    x = 92,722,911,017.47/340,568.28
  6. Step 6: Final answer
    x = 272,259.39

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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.