Home / 397,110.90-595,538.28-130,808.10

Finding the Fourth Proportional to 397,110.90, 595,538.28 and 130,808.10

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Solution

The fourth proportional to 397,110.90, 595,538.28 and 130,808.10 is: 196,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,110.90 : 595,538.28 = 130,808.10 : x
  2. Step 2: Convert to fraction form
    397,110.90/595,538.28 = 130,808.10/x
  3. Step 3: Cross multiply
    397,110.90x = 595,538.28 × 130,808.10
  4. Step 4: Simplify right side
    397,110.90x = 77,901,230,884.07
  5. Step 5: Solve for x
    x = 77,901,230,884.07/397,110.90
  6. Step 6: Final answer
    x = 196,169.96

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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.