Home / 247,331.65-371,011.83-69,823.80

Finding the Fourth Proportional to 247,331.65, 371,011.83 and 69,823.80

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Solution

The fourth proportional to 247,331.65, 371,011.83 and 69,823.80 is: 104,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,331.65 : 371,011.83 = 69,823.80 : x
  2. Step 2: Convert to fraction form
    247,331.65/371,011.83 = 69,823.80/x
  3. Step 3: Cross multiply
    247,331.65x = 371,011.83 × 69,823.80
  4. Step 4: Simplify right side
    247,331.65x = 25,905,454,888.02
  5. Step 5: Solve for x
    x = 25,905,454,888.02/247,331.65
  6. Step 6: Final answer
    x = 104,739.75

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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.