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Finding the Fourth Proportional to 242,679.96, 364,020.75 and 74,199.65

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Solution

The fourth proportional to 242,679.96, 364,020.75 and 74,199.65 is: 111,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,679.96 : 364,020.75 = 74,199.65 : x
  2. Step 2: Convert to fraction form
    242,679.96/364,020.75 = 74,199.65/x
  3. Step 3: Cross multiply
    242,679.96x = 364,020.75 × 74,199.65
  4. Step 4: Simplify right side
    242,679.96x = 27,010,210,422.63
  5. Step 5: Solve for x
    x = 27,010,210,422.63/242,679.96
  6. Step 6: Final answer
    x = 111,299.72

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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.