Home / 240,396.56-331,772.04-138,425.84

Finding the Fourth Proportional to 240,396.56, 331,772.04 and 138,425.84

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Solution

The fourth proportional to 240,396.56, 331,772.04 and 138,425.84 is: 191,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,396.56 : 331,772.04 = 138,425.84 : x
  2. Step 2: Convert to fraction form
    240,396.56/331,772.04 = 138,425.84/x
  3. Step 3: Cross multiply
    240,396.56x = 331,772.04 × 138,425.84
  4. Step 4: Simplify right side
    240,396.56x = 45,925,823,325.51
  5. Step 5: Solve for x
    x = 45,925,823,325.51/240,396.56
  6. Step 6: Final answer
    x = 191,041.93

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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.