Home / 340,277.20-469,577.92-189,374.20

Finding the Fourth Proportional to 340,277.20, 469,577.92 and 189,374.20

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Solution

The fourth proportional to 340,277.20, 469,577.92 and 189,374.20 is: 261,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,277.20 : 469,577.92 = 189,374.20 : x
  2. Step 2: Convert to fraction form
    340,277.20/469,577.92 = 189,374.20/x
  3. Step 3: Cross multiply
    340,277.20x = 469,577.92 × 189,374.20
  4. Step 4: Simplify right side
    340,277.20x = 88,925,942,937.66
  5. Step 5: Solve for x
    x = 88,925,942,937.66/340,277.20
  6. Step 6: Final answer
    x = 261,333.83

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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.