Home / 230,939.10-346,408.65-216,942.30

Finding the Fourth Proportional to 230,939.10, 346,408.65 and 216,942.30

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Solution

The fourth proportional to 230,939.10, 346,408.65 and 216,942.30 is: 325,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,939.10 : 346,408.65 = 216,942.30 : x
  2. Step 2: Convert to fraction form
    230,939.10/346,408.65 = 216,942.30/x
  3. Step 3: Cross multiply
    230,939.10x = 346,408.65 × 216,942.30
  4. Step 4: Simplify right side
    230,939.10x = 75,150,689,270.90
  5. Step 5: Solve for x
    x = 75,150,689,270.90/230,939.10
  6. Step 6: Final answer
    x = 325,413.45

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1.5x scale

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.