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Finding the Fourth Proportional to 246,383.98, 340,008.24 and 138,954.94

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Solution

The fourth proportional to 246,383.98, 340,008.24 and 138,954.94 is: 191,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,383.98 : 340,008.24 = 138,954.94 : x
  2. Step 2: Convert to fraction form
    246,383.98/340,008.24 = 138,954.94/x
  3. Step 3: Cross multiply
    246,383.98x = 340,008.24 × 138,954.94
  4. Step 4: Simplify right side
    246,383.98x = 47,245,824,588.71
  5. Step 5: Solve for x
    x = 47,245,824,588.71/246,383.98
  6. Step 6: Final answer
    x = 191,756.89

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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.