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Finding the Fourth Proportional to 265,972.64, 367,089.72 and 158,549.52

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Solution

The fourth proportional to 265,972.64, 367,089.72 and 158,549.52 is: 218,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,972.64 : 367,089.72 = 158,549.52 : x
  2. Step 2: Convert to fraction form
    265,972.64/367,089.72 = 158,549.52/x
  3. Step 3: Cross multiply
    265,972.64x = 367,089.72 × 158,549.52
  4. Step 4: Simplify right side
    265,972.64x = 58,201,898,902.93
  5. Step 5: Solve for x
    x = 58,201,898,902.93/265,972.64
  6. Step 6: Final answer
    x = 218,826.64

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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.