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Finding the Fourth Proportional to 119,244.60, 178,798.86 and 49,040.28

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Solution

The fourth proportional to 119,244.60, 178,798.86 and 49,040.28 is: 73,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,244.60 : 178,798.86 = 49,040.28 : x
  2. Step 2: Convert to fraction form
    119,244.60/178,798.86 = 49,040.28/x
  3. Step 3: Cross multiply
    119,244.60x = 178,798.86 × 49,040.28
  4. Step 4: Simplify right side
    119,244.60x = 8,768,346,158.08
  5. Step 5: Solve for x
    x = 8,768,346,158.08/119,244.60
  6. Step 6: Final answer
    x = 73,532.44

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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.