Home / 361,771.04-499,275.60-210,864.80

Finding the Fourth Proportional to 361,771.04, 499,275.60 and 210,864.80

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Solution

The fourth proportional to 361,771.04, 499,275.60 and 210,864.80 is: 291,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,771.04 : 499,275.60 = 210,864.80 : x
  2. Step 2: Convert to fraction form
    361,771.04/499,275.60 = 210,864.80/x
  3. Step 3: Cross multiply
    361,771.04x = 499,275.60 × 210,864.80
  4. Step 4: Simplify right side
    361,771.04x = 105,279,649,538.88
  5. Step 5: Solve for x
    x = 105,279,649,538.88/361,771.04
  6. Step 6: Final answer
    x = 291,011.82

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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.