Home / 217,261.43-299,761.34-130,011.41

Finding the Fourth Proportional to 217,261.43, 299,761.34 and 130,011.41

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Solution

The fourth proportional to 217,261.43, 299,761.34 and 130,011.41 is: 179,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,261.43 : 299,761.34 = 130,011.41 : x
  2. Step 2: Convert to fraction form
    217,261.43/299,761.34 = 130,011.41/x
  3. Step 3: Cross multiply
    217,261.43x = 299,761.34 × 130,011.41
  4. Step 4: Simplify right side
    217,261.43x = 38,972,393,303.11
  5. Step 5: Solve for x
    x = 38,972,393,303.11/217,261.43
  6. Step 6: Final answer
    x = 179,380.17

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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.