Home / 288,584.48-432,919.78-88,888.14

Finding the Fourth Proportional to 288,584.48, 432,919.78 and 88,888.14

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Solution

The fourth proportional to 288,584.48, 432,919.78 and 88,888.14 is: 133,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,584.48 : 432,919.78 = 88,888.14 : x
  2. Step 2: Convert to fraction form
    288,584.48/432,919.78 = 88,888.14/x
  3. Step 3: Cross multiply
    288,584.48x = 432,919.78 × 88,888.14
  4. Step 4: Simplify right side
    288,584.48x = 38,481,434,013.41
  5. Step 5: Solve for x
    x = 38,481,434,013.41/288,584.48
  6. Step 6: Final answer
    x = 133,345.47

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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.