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Finding the Fourth Proportional to 265,980.80, 398,772.80 and 160,777.60

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Solution

The fourth proportional to 265,980.80, 398,772.80 and 160,777.60 is: 241,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,980.80 : 398,772.80 = 160,777.60 : x
  2. Step 2: Convert to fraction form
    265,980.80/398,772.80 = 160,777.60/x
  3. Step 3: Cross multiply
    265,980.80x = 398,772.80 × 160,777.60
  4. Step 4: Simplify right side
    265,980.80x = 64,113,733,729.28
  5. Step 5: Solve for x
    x = 64,113,733,729.28/265,980.80
  6. Step 6: Final answer
    x = 241,046.47

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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.