Home / 288,601.03-432,971.62-88,921.42

Finding the Fourth Proportional to 288,601.03, 432,971.62 and 88,921.42

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Solution

The fourth proportional to 288,601.03, 432,971.62 and 88,921.42 is: 133,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,601.03 : 432,971.62 = 88,921.42 : x
  2. Step 2: Convert to fraction form
    288,601.03/432,971.62 = 88,921.42/x
  3. Step 3: Cross multiply
    288,601.03x = 432,971.62 × 88,921.42
  4. Step 4: Simplify right side
    288,601.03x = 38,500,451,270.10
  5. Step 5: Solve for x
    x = 38,500,451,270.10/288,601.03
  6. Step 6: Final answer
    x = 133,403.72

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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.