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Finding the Fourth Proportional to 228,201.60, 342,334.80 and 70,413.60

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Solution

The fourth proportional to 228,201.60, 342,334.80 and 70,413.60 is: 105,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,201.60 : 342,334.80 = 70,413.60 : x
  2. Step 2: Convert to fraction form
    228,201.60/342,334.80 = 70,413.60/x
  3. Step 3: Cross multiply
    228,201.60x = 342,334.80 × 70,413.60
  4. Step 4: Simplify right side
    228,201.60x = 24,105,025,673.28
  5. Step 5: Solve for x
    x = 24,105,025,673.28/228,201.60
  6. Step 6: Final answer
    x = 105,630.40

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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.