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Finding the Fourth Proportional to 255,957.93, 353,238.48 and 147,097.29

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Solution

The fourth proportional to 255,957.93, 353,238.48 and 147,097.29 is: 203,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,957.93 : 353,238.48 = 147,097.29 : x
  2. Step 2: Convert to fraction form
    255,957.93/353,238.48 = 147,097.29/x
  3. Step 3: Cross multiply
    255,957.93x = 353,238.48 × 147,097.29
  4. Step 4: Simplify right side
    255,957.93x = 51,960,423,131.72
  5. Step 5: Solve for x
    x = 51,960,423,131.72/255,957.93
  6. Step 6: Final answer
    x = 203,003.76

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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.