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Finding the Fourth Proportional to 265,784.11, 366,768.16 and 151,047.41

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Solution

The fourth proportional to 265,784.11, 366,768.16 and 151,047.41 is: 208,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,784.11 : 366,768.16 = 151,047.41 : x
  2. Step 2: Convert to fraction form
    265,784.11/366,768.16 = 151,047.41/x
  3. Step 3: Cross multiply
    265,784.11x = 366,768.16 × 151,047.41
  4. Step 4: Simplify right side
    265,784.11x = 55,399,378,427.01
  5. Step 5: Solve for x
    x = 55,399,378,427.01/265,784.11
  6. Step 6: Final answer
    x = 208,437.51

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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.