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Finding the Fourth Proportional to 239,096.96, 358,692.72 and 70,620.32

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Solution

The fourth proportional to 239,096.96, 358,692.72 and 70,620.32 is: 105,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,096.96 : 358,692.72 = 70,620.32 : x
  2. Step 2: Convert to fraction form
    239,096.96/358,692.72 = 70,620.32/x
  3. Step 3: Cross multiply
    239,096.96x = 358,692.72 × 70,620.32
  4. Step 4: Simplify right side
    239,096.96x = 25,330,994,668.07
  5. Step 5: Solve for x
    x = 25,330,994,668.07/239,096.96
  6. Step 6: Final answer
    x = 105,944.44

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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.