Home / 230,018.24-345,037.12-80,273.60

Finding the Fourth Proportional to 230,018.24, 345,037.12 and 80,273.60

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Solution

The fourth proportional to 230,018.24, 345,037.12 and 80,273.60 is: 120,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,018.24 : 345,037.12 = 80,273.60 : x
  2. Step 2: Convert to fraction form
    230,018.24/345,037.12 = 80,273.60/x
  3. Step 3: Cross multiply
    230,018.24x = 345,037.12 × 80,273.60
  4. Step 4: Simplify right side
    230,018.24x = 27,697,371,756.03
  5. Step 5: Solve for x
    x = 27,697,371,756.03/230,018.24
  6. Step 6: Final answer
    x = 120,413.81

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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.