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Finding the Fourth Proportional to 171,290.22, 256,952.60 and 58,955.64

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Solution

The fourth proportional to 171,290.22, 256,952.60 and 58,955.64 is: 88,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,290.22 : 256,952.60 = 58,955.64 : x
  2. Step 2: Convert to fraction form
    171,290.22/256,952.60 = 58,955.64/x
  3. Step 3: Cross multiply
    171,290.22x = 256,952.60 × 58,955.64
  4. Step 4: Simplify right side
    171,290.22x = 15,148,804,982.66
  5. Step 5: Solve for x
    x = 15,148,804,982.66/171,290.22
  6. Step 6: Final answer
    x = 88,439.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.