Home / 430,212.12-593,693.21-239,221.41

Finding the Fourth Proportional to 430,212.12, 593,693.21 and 239,221.41

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Solution

The fourth proportional to 430,212.12, 593,693.21 and 239,221.41 is: 330,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,212.12 : 593,693.21 = 239,221.41 : x
  2. Step 2: Convert to fraction form
    430,212.12/593,693.21 = 239,221.41/x
  3. Step 3: Cross multiply
    430,212.12x = 593,693.21 × 239,221.41
  4. Step 4: Simplify right side
    430,212.12x = 142,024,125,175.33
  5. Step 5: Solve for x
    x = 142,024,125,175.33/430,212.12
  6. Step 6: Final answer
    x = 330,125.81

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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.