Home / 259,107.28-387,783.08-159,330.67

Finding the Fourth Proportional to 259,107.28, 387,783.08 and 159,330.67

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Solution

The fourth proportional to 259,107.28, 387,783.08 and 159,330.67 is: 238,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,107.28 : 387,783.08 = 159,330.67 : x
  2. Step 2: Convert to fraction form
    259,107.28/387,783.08 = 159,330.67/x
  3. Step 3: Cross multiply
    259,107.28x = 387,783.08 × 159,330.67
  4. Step 4: Simplify right side
    259,107.28x = 61,785,735,215.49
  5. Step 5: Solve for x
    x = 61,785,735,215.49/259,107.28
  6. Step 6: Final answer
    x = 238,456.20

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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.