Home / 397,213.02-595,858.41-130,864.86

Finding the Fourth Proportional to 397,213.02, 595,858.41 and 130,864.86

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Solution

The fourth proportional to 397,213.02, 595,858.41 and 130,864.86 is: 196,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,213.02 : 595,858.41 = 130,864.86 : x
  2. Step 2: Convert to fraction form
    397,213.02/595,858.41 = 130,864.86/x
  3. Step 3: Cross multiply
    397,213.02x = 595,858.41 × 130,864.86
  4. Step 4: Simplify right side
    397,213.02x = 77,976,927,404.47
  5. Step 5: Solve for x
    x = 77,976,927,404.47/397,213.02
  6. Step 6: Final answer
    x = 196,310.10

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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.