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Finding the Fourth Proportional to 220,410, 304,199.06 and 134,418.87

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Solution

The fourth proportional to 220,410, 304,199.06 and 134,418.87 is: 185,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,410 : 304,199.06 = 134,418.87 : x
  2. Step 2: Convert to fraction form
    220,410/304,199.06 = 134,418.87/x
  3. Step 3: Cross multiply
    220,410x = 304,199.06 × 134,418.87
  4. Step 4: Simplify right side
    220,410x = 40,890,093,228.17
  5. Step 5: Solve for x
    x = 40,890,093,228.17/220,410
  6. Step 6: Final answer
    x = 185,518.32

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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.