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Finding the Fourth Proportional to 239,199.63, 358,799.04 and 70,722.06

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Solution

The fourth proportional to 239,199.63, 358,799.04 and 70,722.06 is: 106,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,199.63 : 358,799.04 = 70,722.06 : x
  2. Step 2: Convert to fraction form
    239,199.63/358,799.04 = 70,722.06/x
  3. Step 3: Cross multiply
    239,199.63x = 358,799.04 × 70,722.06
  4. Step 4: Simplify right side
    239,199.63x = 25,375,007,234.82
  5. Step 5: Solve for x
    x = 25,375,007,234.82/239,199.63
  6. Step 6: Final answer
    x = 106,082.97

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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.