Home / 397,015.14-595,187.76-172,206.32

Finding the Fourth Proportional to 397,015.14, 595,187.76 and 172,206.32

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Solution

The fourth proportional to 397,015.14, 595,187.76 and 172,206.32 is: 258,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,015.14 : 595,187.76 = 172,206.32 : x
  2. Step 2: Convert to fraction form
    397,015.14/595,187.76 = 172,206.32/x
  3. Step 3: Cross multiply
    397,015.14x = 595,187.76 × 172,206.32
  4. Step 4: Simplify right side
    397,015.14x = 102,495,095,992.39
  5. Step 5: Solve for x
    x = 102,495,095,992.39/397,015.14
  6. Step 6: Final answer
    x = 258,164.20

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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.