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Finding the Fourth Proportional to 239,235.38, 358,841.15 and 89,464.67

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Solution

The fourth proportional to 239,235.38, 358,841.15 and 89,464.67 is: 134,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,235.38 : 358,841.15 = 89,464.67 : x
  2. Step 2: Convert to fraction form
    239,235.38/358,841.15 = 89,464.67/x
  3. Step 3: Cross multiply
    239,235.38x = 358,841.15 × 89,464.67
  4. Step 4: Simplify right side
    239,235.38x = 32,103,602,825.64
  5. Step 5: Solve for x
    x = 32,103,602,825.64/239,235.38
  6. Step 6: Final answer
    x = 134,192.54

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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.