Home / 291,795.76-437,740.30-123,317.72

Finding the Fourth Proportional to 291,795.76, 437,740.30 and 123,317.72

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Solution

The fourth proportional to 291,795.76, 437,740.30 and 123,317.72 is: 184,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,795.76 : 437,740.30 = 123,317.72 : x
  2. Step 2: Convert to fraction form
    291,795.76/437,740.30 = 123,317.72/x
  3. Step 3: Cross multiply
    291,795.76x = 437,740.30 × 123,317.72
  4. Step 4: Simplify right side
    291,795.76x = 53,981,135,748.12
  5. Step 5: Solve for x
    x = 53,981,135,748.12/291,795.76
  6. Step 6: Final answer
    x = 184,996.30

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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.