Home / 340,526.62-469,947.96-187,564.78

Finding the Fourth Proportional to 340,526.62, 469,947.96 and 187,564.78

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Solution

The fourth proportional to 340,526.62, 469,947.96 and 187,564.78 is: 258,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,526.62 : 469,947.96 = 187,564.78 : x
  2. Step 2: Convert to fraction form
    340,526.62/469,947.96 = 187,564.78/x
  3. Step 3: Cross multiply
    340,526.62x = 469,947.96 × 187,564.78
  4. Step 4: Simplify right side
    340,526.62x = 88,145,685,728.85
  5. Step 5: Solve for x
    x = 88,145,685,728.85/340,526.62
  6. Step 6: Final answer
    x = 258,851.09

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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.