Home / 340,782.72-470,283.30-187,826.46

Finding the Fourth Proportional to 340,782.72, 470,283.30 and 187,826.46

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Solution

The fourth proportional to 340,782.72, 470,283.30 and 187,826.46 is: 259,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,782.72 : 470,283.30 = 187,826.46 : x
  2. Step 2: Convert to fraction form
    340,782.72/470,283.30 = 187,826.46/x
  3. Step 3: Cross multiply
    340,782.72x = 470,283.30 × 187,826.46
  4. Step 4: Simplify right side
    340,782.72x = 88,331,647,436.12
  5. Step 5: Solve for x
    x = 88,331,647,436.12/340,782.72
  6. Step 6: Final answer
    x = 259,202.25

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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.