Home / 346,947.87-520,067.30-196,871.16

Finding the Fourth Proportional to 346,947.87, 520,067.30 and 196,871.16

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Solution

The fourth proportional to 346,947.87, 520,067.30 and 196,871.16 is: 295,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,947.87 : 520,067.30 = 196,871.16 : x
  2. Step 2: Convert to fraction form
    346,947.87/520,067.30 = 196,871.16/x
  3. Step 3: Cross multiply
    346,947.87x = 520,067.30 × 196,871.16
  4. Step 4: Simplify right side
    346,947.87x = 102,386,251,644.71
  5. Step 5: Solve for x
    x = 102,386,251,644.71/346,947.87
  6. Step 6: Final answer
    x = 295,105.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.