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Finding the Fourth Proportional to 230,077.20, 345,153.60 and 72,267.60

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Solution

The fourth proportional to 230,077.20, 345,153.60 and 72,267.60 is: 108,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,077.20 : 345,153.60 = 72,267.60 : x
  2. Step 2: Convert to fraction form
    230,077.20/345,153.60 = 72,267.60/x
  3. Step 3: Cross multiply
    230,077.20x = 345,153.60 × 72,267.60
  4. Step 4: Simplify right side
    230,077.20x = 24,943,422,303.36
  5. Step 5: Solve for x
    x = 24,943,422,303.36/230,077.20
  6. Step 6: Final answer
    x = 108,413.27

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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.