Home / 314,759.18-472,191.05-125,221.41

Finding the Fourth Proportional to 314,759.18, 472,191.05 and 125,221.41

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Solution

The fourth proportional to 314,759.18, 472,191.05 and 125,221.41 is: 187,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,759.18 : 472,191.05 = 125,221.41 : x
  2. Step 2: Convert to fraction form
    314,759.18/472,191.05 = 125,221.41/x
  3. Step 3: Cross multiply
    314,759.18x = 472,191.05 × 125,221.41
  4. Step 4: Simplify right side
    314,759.18x = 59,128,429,383.43
  5. Step 5: Solve for x
    x = 59,128,429,383.43/314,759.18
  6. Step 6: Final answer
    x = 187,852.91

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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.