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Finding the Fourth Proportional to 239,199.54, 358,674.76 and 89,316.60

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Solution

The fourth proportional to 239,199.54, 358,674.76 and 89,316.60 is: 133,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,199.54 : 358,674.76 = 89,316.60 : x
  2. Step 2: Convert to fraction form
    239,199.54/358,674.76 = 89,316.60/x
  3. Step 3: Cross multiply
    239,199.54x = 358,674.76 × 89,316.60
  4. Step 4: Simplify right side
    239,199.54x = 32,035,610,069.02
  5. Step 5: Solve for x
    x = 32,035,610,069.02/239,199.54
  6. Step 6: Final answer
    x = 133,928.39

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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.