Home / 209,480.23-314,269.55-69,238.86

Finding the Fourth Proportional to 209,480.23, 314,269.55 and 69,238.86

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Solution

The fourth proportional to 209,480.23, 314,269.55 and 69,238.86 is: 103,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,480.23 : 314,269.55 = 69,238.86 : x
  2. Step 2: Convert to fraction form
    209,480.23/314,269.55 = 69,238.86/x
  3. Step 3: Cross multiply
    209,480.23x = 314,269.55 × 69,238.86
  4. Step 4: Simplify right side
    209,480.23x = 21,759,665,374.71
  5. Step 5: Solve for x
    x = 21,759,665,374.71/209,480.23
  6. Step 6: Final answer
    x = 103,874.55

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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.