Home / 268,355.43-370,334.30-147,507.89

Finding the Fourth Proportional to 268,355.43, 370,334.30 and 147,507.89

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Solution

The fourth proportional to 268,355.43, 370,334.30 and 147,507.89 is: 203,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,355.43 : 370,334.30 = 147,507.89 : x
  2. Step 2: Convert to fraction form
    268,355.43/370,334.30 = 147,507.89/x
  3. Step 3: Cross multiply
    268,355.43x = 370,334.30 × 147,507.89
  4. Step 4: Simplify right side
    268,355.43x = 54,627,228,598.42
  5. Step 5: Solve for x
    x = 54,627,228,598.42/268,355.43
  6. Step 6: Final answer
    x = 203,562.97

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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.