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Finding the Fourth Proportional to 265,785.11, 366,769.54 and 151,048.41

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Solution

The fourth proportional to 265,785.11, 366,769.54 and 151,048.41 is: 208,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,785.11 : 366,769.54 = 151,048.41 : x
  2. Step 2: Convert to fraction form
    265,785.11/366,769.54 = 151,048.41/x
  3. Step 3: Cross multiply
    265,785.11x = 366,769.54 × 151,048.41
  4. Step 4: Simplify right side
    265,785.11x = 55,399,955,853.43
  5. Step 5: Solve for x
    x = 55,399,955,853.43/265,785.11
  6. Step 6: Final answer
    x = 208,438.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.