Home / 905,155.34-1,357,732.97-231,238.11

Finding the Fourth Proportional to 905,155.34, 1,357,732.97 and 231,238.11

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Solution

The fourth proportional to 905,155.34, 1,357,732.97 and 231,238.11 is: 346,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,155.34 : 1,357,732.97 = 231,238.11 : x
  2. Step 2: Convert to fraction form
    905,155.34/1,357,732.97 = 231,238.11/x
  3. Step 3: Cross multiply
    905,155.34x = 1,357,732.97 × 231,238.11
  4. Step 4: Simplify right side
    905,155.34x = 313,959,604,711.30
  5. Step 5: Solve for x
    x = 313,959,604,711.30/905,155.34
  6. Step 6: Final answer
    x = 346,857.16

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1.5x scale

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.