Home / 340,206.08-509,725.92-240,187.28

Finding the Fourth Proportional to 340,206.08, 509,725.92 and 240,187.28

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Solution

The fourth proportional to 340,206.08, 509,725.92 and 240,187.28 is: 359,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,206.08 : 509,725.92 = 240,187.28 : x
  2. Step 2: Convert to fraction form
    340,206.08/509,725.92 = 240,187.28/x
  3. Step 3: Cross multiply
    340,206.08x = 509,725.92 × 240,187.28
  4. Step 4: Simplify right side
    340,206.08x = 122,429,682,270.30
  5. Step 5: Solve for x
    x = 122,429,682,270.30/340,206.08
  6. Step 6: Final answer
    x = 359,869.18

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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.