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Finding the Fourth Proportional to 245,174, 367,761.02 and 78,962

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Solution

The fourth proportional to 245,174, 367,761.02 and 78,962 is: 118,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,174 : 367,761.02 = 78,962 : x
  2. Step 2: Convert to fraction form
    245,174/367,761.02 = 78,962/x
  3. Step 3: Cross multiply
    245,174x = 367,761.02 × 78,962
  4. Step 4: Simplify right side
    245,174x = 29,039,145,661.24
  5. Step 5: Solve for x
    x = 29,039,145,661.24/245,174
  6. Step 6: Final answer
    x = 118,443.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.