Home / 340,531.28-469,933.16-197,374.36

Finding the Fourth Proportional to 340,531.28, 469,933.16 and 197,374.36

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Solution

The fourth proportional to 340,531.28, 469,933.16 and 197,374.36 is: 272,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,531.28 : 469,933.16 = 197,374.36 : x
  2. Step 2: Convert to fraction form
    340,531.28/469,933.16 = 197,374.36/x
  3. Step 3: Cross multiply
    340,531.28x = 469,933.16 × 197,374.36
  4. Step 4: Simplify right side
    340,531.28x = 92,752,756,630.97
  5. Step 5: Solve for x
    x = 92,752,756,630.97/340,531.28
  6. Step 6: Final answer
    x = 272,376.61

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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.