Home / 397,022.40-595,405.62-130,719.52

Finding the Fourth Proportional to 397,022.40, 595,405.62 and 130,719.52

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Solution

The fourth proportional to 397,022.40, 595,405.62 and 130,719.52 is: 196,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,022.40 : 595,405.62 = 130,719.52 : x
  2. Step 2: Convert to fraction form
    397,022.40/595,405.62 = 130,719.52/x
  3. Step 3: Cross multiply
    397,022.40x = 595,405.62 × 130,719.52
  4. Step 4: Simplify right side
    397,022.40x = 77,831,136,851.70
  5. Step 5: Solve for x
    x = 77,831,136,851.70/397,022.40
  6. Step 6: Final answer
    x = 196,037.14

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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.