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Finding the Fourth Proportional to 245,430.73, 368,146.60 and 67,938.27

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Solution

The fourth proportional to 245,430.73, 368,146.60 and 67,938.27 is: 101,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,430.73 : 368,146.60 = 67,938.27 : x
  2. Step 2: Convert to fraction form
    245,430.73/368,146.60 = 67,938.27/x
  3. Step 3: Cross multiply
    245,430.73x = 368,146.60 × 67,938.27
  4. Step 4: Simplify right side
    245,430.73x = 25,011,241,269.65
  5. Step 5: Solve for x
    x = 25,011,241,269.65/245,430.73
  6. Step 6: Final answer
    x = 101,907.54

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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.