Home / 331,722.09-457,759.21-188,462.25

Finding the Fourth Proportional to 331,722.09, 457,759.21 and 188,462.25

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Solution

The fourth proportional to 331,722.09, 457,759.21 and 188,462.25 is: 260,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,722.09 : 457,759.21 = 188,462.25 : x
  2. Step 2: Convert to fraction form
    331,722.09/457,759.21 = 188,462.25/x
  3. Step 3: Cross multiply
    331,722.09x = 457,759.21 × 188,462.25
  4. Step 4: Simplify right side
    331,722.09x = 86,270,329,732.51
  5. Step 5: Solve for x
    x = 86,270,329,732.51/331,722.09
  6. Step 6: Final answer
    x = 260,068.09

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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.