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Finding the Fourth Proportional to 265,463.64, 366,340.32 and 158,037.39

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Solution

The fourth proportional to 265,463.64, 366,340.32 and 158,037.39 is: 218,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,463.64 : 366,340.32 = 158,037.39 : x
  2. Step 2: Convert to fraction form
    265,463.64/366,340.32 = 158,037.39/x
  3. Step 3: Cross multiply
    265,463.64x = 366,340.32 × 158,037.39
  4. Step 4: Simplify right side
    265,463.64x = 57,895,468,024.56
  5. Step 5: Solve for x
    x = 57,895,468,024.56/265,463.64
  6. Step 6: Final answer
    x = 218,091.89

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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.