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Finding the Fourth Proportional to 210,483.33, 290,480.40 and 119,847.21

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Solution

The fourth proportional to 210,483.33, 290,480.40 and 119,847.21 is: 165,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,483.33 : 290,480.40 = 119,847.21 : x
  2. Step 2: Convert to fraction form
    210,483.33/290,480.40 = 119,847.21/x
  3. Step 3: Cross multiply
    210,483.33x = 290,480.40 × 119,847.21
  4. Step 4: Simplify right side
    210,483.33x = 34,813,265,499.68
  5. Step 5: Solve for x
    x = 34,813,265,499.68/210,483.33
  6. Step 6: Final answer
    x = 165,396.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.