Home / 373,529.32-515,494.82-212,399.36

Finding the Fourth Proportional to 373,529.32, 515,494.82 and 212,399.36

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Solution

The fourth proportional to 373,529.32, 515,494.82 and 212,399.36 is: 293,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,529.32 : 515,494.82 = 212,399.36 : x
  2. Step 2: Convert to fraction form
    373,529.32/515,494.82 = 212,399.36/x
  3. Step 3: Cross multiply
    373,529.32x = 515,494.82 × 212,399.36
  4. Step 4: Simplify right side
    373,529.32x = 109,490,768,789.32
  5. Step 5: Solve for x
    x = 109,490,768,789.32/373,529.32
  6. Step 6: Final answer
    x = 293,124.97

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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.