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Finding the Fourth Proportional to 170,659.04, 255,904.31 and 52,301.84

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Solution

The fourth proportional to 170,659.04, 255,904.31 and 52,301.84 is: 78,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,659.04 : 255,904.31 = 52,301.84 : x
  2. Step 2: Convert to fraction form
    170,659.04/255,904.31 = 52,301.84/x
  3. Step 3: Cross multiply
    170,659.04x = 255,904.31 × 52,301.84
  4. Step 4: Simplify right side
    170,659.04x = 13,384,265,128.16
  5. Step 5: Solve for x
    x = 13,384,265,128.16/170,659.04
  6. Step 6: Final answer
    x = 78,426.94

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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.