Home / 340,534.28-469,937.30-197,377.36

Finding the Fourth Proportional to 340,534.28, 469,937.30 and 197,377.36

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Solution

The fourth proportional to 340,534.28, 469,937.30 and 197,377.36 is: 272,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,534.28 : 469,937.30 = 197,377.36 : x
  2. Step 2: Convert to fraction form
    340,534.28/469,937.30 = 197,377.36/x
  3. Step 3: Cross multiply
    340,534.28x = 469,937.30 × 197,377.36
  4. Step 4: Simplify right side
    340,534.28x = 92,754,983,639.53
  5. Step 5: Solve for x
    x = 92,754,983,639.53/340,534.28
  6. Step 6: Final answer
    x = 272,380.75

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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.