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Finding the Fourth Proportional to 203,480.10, 305,215.35 and 55,736.10

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Solution

The fourth proportional to 203,480.10, 305,215.35 and 55,736.10 is: 83,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,480.10 : 305,215.35 = 55,736.10 : x
  2. Step 2: Convert to fraction form
    203,480.10/305,215.35 = 55,736.10/x
  3. Step 3: Cross multiply
    203,480.10x = 305,215.35 × 55,736.10
  4. Step 4: Simplify right side
    203,480.10x = 17,011,513,269.14
  5. Step 5: Solve for x
    x = 17,011,513,269.14/203,480.10
  6. Step 6: Final answer
    x = 83,602.84

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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.