Home / 340,267.20-469,564.12-189,364.20

Finding the Fourth Proportional to 340,267.20, 469,564.12 and 189,364.20

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Solution

The fourth proportional to 340,267.20, 469,564.12 and 189,364.20 is: 261,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,267.20 : 469,564.12 = 189,364.20 : x
  2. Step 2: Convert to fraction form
    340,267.20/469,564.12 = 189,364.20/x
  3. Step 3: Cross multiply
    340,267.20x = 469,564.12 × 189,364.20
  4. Step 4: Simplify right side
    340,267.20x = 88,918,633,932.50
  5. Step 5: Solve for x
    x = 88,918,633,932.50/340,267.20
  6. Step 6: Final answer
    x = 261,320.03

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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.