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Finding the Fourth Proportional to 257,502, 355,274.52 and 162,103.92

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Solution

The fourth proportional to 257,502, 355,274.52 and 162,103.92 is: 223,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,502 : 355,274.52 = 162,103.92 : x
  2. Step 2: Convert to fraction form
    257,502/355,274.52 = 162,103.92/x
  3. Step 3: Cross multiply
    257,502x = 355,274.52 × 162,103.92
  4. Step 4: Simplify right side
    257,502x = 57,591,392,368.12
  5. Step 5: Solve for x
    x = 57,591,392,368.12/257,502
  6. Step 6: Final answer
    x = 223,654.16

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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.