Home / 420,252.33-579,936.74-229,265.67

Finding the Fourth Proportional to 420,252.33, 579,936.74 and 229,265.67

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Solution

The fourth proportional to 420,252.33, 579,936.74 and 229,265.67 is: 316,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,252.33 : 579,936.74 = 229,265.67 : x
  2. Step 2: Convert to fraction form
    420,252.33/579,936.74 = 229,265.67/x
  3. Step 3: Cross multiply
    420,252.33x = 579,936.74 × 229,265.67
  4. Step 4: Simplify right side
    420,252.33x = 132,959,584,107.39
  5. Step 5: Solve for x
    x = 132,959,584,107.39/420,252.33
  6. Step 6: Final answer
    x = 316,380.36

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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.