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Finding the Fourth Proportional to 247,299.60, 371,010.15 and 69,804.30

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Solution

The fourth proportional to 247,299.60, 371,010.15 and 69,804.30 is: 104,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,299.60 : 371,010.15 = 69,804.30 : x
  2. Step 2: Convert to fraction form
    247,299.60/371,010.15 = 69,804.30/x
  3. Step 3: Cross multiply
    247,299.60x = 371,010.15 × 69,804.30
  4. Step 4: Simplify right side
    247,299.60x = 25,898,103,813.65
  5. Step 5: Solve for x
    x = 25,898,103,813.65/247,299.60
  6. Step 6: Final answer
    x = 104,723.60

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1.5x scale

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.