Home / 446,208.57-615,764.40-242,255.43

Finding the Fourth Proportional to 446,208.57, 615,764.40 and 242,255.43

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Solution

The fourth proportional to 446,208.57, 615,764.40 and 242,255.43 is: 334,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,208.57 : 615,764.40 = 242,255.43 : x
  2. Step 2: Convert to fraction form
    446,208.57/615,764.40 = 242,255.43/x
  3. Step 3: Cross multiply
    446,208.57x = 615,764.40 × 242,255.43
  4. Step 4: Simplify right side
    446,208.57x = 149,172,269,500.69
  5. Step 5: Solve for x
    x = 149,172,269,500.69/446,208.57
  6. Step 6: Final answer
    x = 334,310.63

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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.