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Finding the Fourth Proportional to 246,900.12, 340,722.18 and 133,722.88

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Solution

The fourth proportional to 246,900.12, 340,722.18 and 133,722.88 is: 184,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,900.12 : 340,722.18 = 133,722.88 : x
  2. Step 2: Convert to fraction form
    246,900.12/340,722.18 = 133,722.88/x
  3. Step 3: Cross multiply
    246,900.12x = 340,722.18 × 133,722.88
  4. Step 4: Simplify right side
    246,900.12x = 45,562,351,189.48
  5. Step 5: Solve for x
    x = 45,562,351,189.48/246,900.12
  6. Step 6: Final answer
    x = 184,537.58

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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.