Home / 397,053.36-595,586.12-219,173.72

Finding the Fourth Proportional to 397,053.36, 595,586.12 and 219,173.72

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Solution

The fourth proportional to 397,053.36, 595,586.12 and 219,173.72 is: 328,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,053.36 : 595,586.12 = 219,173.72 : x
  2. Step 2: Convert to fraction form
    397,053.36/595,586.12 = 219,173.72/x
  3. Step 3: Cross multiply
    397,053.36x = 595,586.12 × 219,173.72
  4. Step 4: Simplify right side
    397,053.36x = 130,536,821,426.97
  5. Step 5: Solve for x
    x = 130,536,821,426.97/397,053.36
  6. Step 6: Final answer
    x = 328,763.93

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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.