Home / 538,810.20-807,869.70-223,392.60

Finding the Fourth Proportional to 538,810.20, 807,869.70 and 223,392.60

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Solution

The fourth proportional to 538,810.20, 807,869.70 and 223,392.60 is: 334,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,810.20 : 807,869.70 = 223,392.60 : x
  2. Step 2: Convert to fraction form
    538,810.20/807,869.70 = 223,392.60/x
  3. Step 3: Cross multiply
    538,810.20x = 807,869.70 × 223,392.60
  4. Step 4: Simplify right side
    538,810.20x = 180,472,112,744.22
  5. Step 5: Solve for x
    x = 180,472,112,744.22/538,810.20
  6. Step 6: Final answer
    x = 334,945.61

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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.