Home / 234,348.20-323,406.50-143,754.15

Finding the Fourth Proportional to 234,348.20, 323,406.50 and 143,754.15

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Solution

The fourth proportional to 234,348.20, 323,406.50 and 143,754.15 is: 198,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,348.20 : 323,406.50 = 143,754.15 : x
  2. Step 2: Convert to fraction form
    234,348.20/323,406.50 = 143,754.15/x
  3. Step 3: Cross multiply
    234,348.20x = 323,406.50 × 143,754.15
  4. Step 4: Simplify right side
    234,348.20x = 46,491,026,511.98
  5. Step 5: Solve for x
    x = 46,491,026,511.98/234,348.20
  6. Step 6: Final answer
    x = 198,384.40

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1.5x scale

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.