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Finding the Fourth Proportional to 239,321.34, 358,832.34 and 89,482.68

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Solution

The fourth proportional to 239,321.34, 358,832.34 and 89,482.68 is: 134,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,321.34 : 358,832.34 = 89,482.68 : x
  2. Step 2: Convert to fraction form
    239,321.34/358,832.34 = 89,482.68/x
  3. Step 3: Cross multiply
    239,321.34x = 358,832.34 × 89,482.68
  4. Step 4: Simplify right side
    239,321.34x = 32,109,279,453.87
  5. Step 5: Solve for x
    x = 32,109,279,453.87/239,321.34
  6. Step 6: Final answer
    x = 134,168.06

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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.