Home / 394,749.12-592,185.80-170,173.40

Finding the Fourth Proportional to 394,749.12, 592,185.80 and 170,173.40

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Solution

The fourth proportional to 394,749.12, 592,185.80 and 170,173.40 is: 255,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,749.12 : 592,185.80 = 170,173.40 : x
  2. Step 2: Convert to fraction form
    394,749.12/592,185.80 = 170,173.40/x
  3. Step 3: Cross multiply
    394,749.12x = 592,185.80 × 170,173.40
  4. Step 4: Simplify right side
    394,749.12x = 100,774,271,017.72
  5. Step 5: Solve for x
    x = 100,774,271,017.72/394,749.12
  6. Step 6: Final answer
    x = 255,286.88

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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.