Home / 285,215.40-393,473.70-171,975.24

Finding the Fourth Proportional to 285,215.40, 393,473.70 and 171,975.24

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Solution

The fourth proportional to 285,215.40, 393,473.70 and 171,975.24 is: 237,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,215.40 : 393,473.70 = 171,975.24 : x
  2. Step 2: Convert to fraction form
    285,215.40/393,473.70 = 171,975.24/x
  3. Step 3: Cross multiply
    285,215.40x = 393,473.70 × 171,975.24
  4. Step 4: Simplify right side
    285,215.40x = 67,667,733,991.19
  5. Step 5: Solve for x
    x = 67,667,733,991.19/285,215.40
  6. Step 6: Final answer
    x = 237,251.33

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1.5x scale

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.