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Finding the Fourth Proportional to 246,390.56, 340,018.80 and 133,213.44

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Solution

The fourth proportional to 246,390.56, 340,018.80 and 133,213.44 is: 183,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,390.56 : 340,018.80 = 133,213.44 : x
  2. Step 2: Convert to fraction form
    246,390.56/340,018.80 = 133,213.44/x
  3. Step 3: Cross multiply
    246,390.56x = 340,018.80 × 133,213.44
  4. Step 4: Simplify right side
    246,390.56x = 45,295,074,012.67
  5. Step 5: Solve for x
    x = 45,295,074,012.67/246,390.56
  6. Step 6: Final answer
    x = 183,834.45

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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.