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Finding the Fourth Proportional to 312,260.36, 468,439.50 and 101,849.72

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Solution

The fourth proportional to 312,260.36, 468,439.50 and 101,849.72 is: 152,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,260.36 : 468,439.50 = 101,849.72 : x
  2. Step 2: Convert to fraction form
    312,260.36/468,439.50 = 101,849.72/x
  3. Step 3: Cross multiply
    312,260.36x = 468,439.50 × 101,849.72
  4. Step 4: Simplify right side
    312,260.36x = 47,710,431,911.94
  5. Step 5: Solve for x
    x = 47,710,431,911.94/312,260.36
  6. Step 6: Final answer
    x = 152,790.55

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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.