Home / 361,764.04-499,265.94-210,857.80

Finding the Fourth Proportional to 361,764.04, 499,265.94 and 210,857.80

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Solution

The fourth proportional to 361,764.04, 499,265.94 and 210,857.80 is: 291,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,764.04 : 499,265.94 = 210,857.80 : x
  2. Step 2: Convert to fraction form
    361,764.04/499,265.94 = 210,857.80/x
  3. Step 3: Cross multiply
    361,764.04x = 499,265.94 × 210,857.80
  4. Step 4: Simplify right side
    361,764.04x = 105,274,117,723.33
  5. Step 5: Solve for x
    x = 105,274,117,723.33/361,764.04
  6. Step 6: Final answer
    x = 291,002.16

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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.