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Finding the Fourth Proportional to 336,937.36, 464,868.20 and 193,644.88

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Solution

The fourth proportional to 336,937.36, 464,868.20 and 193,644.88 is: 267,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,937.36 : 464,868.20 = 193,644.88 : x
  2. Step 2: Convert to fraction form
    336,937.36/464,868.20 = 193,644.88/x
  3. Step 3: Cross multiply
    336,937.36x = 464,868.20 × 193,644.88
  4. Step 4: Simplify right side
    336,937.36x = 90,019,346,804.82
  5. Step 5: Solve for x
    x = 90,019,346,804.82/336,937.36
  6. Step 6: Final answer
    x = 267,169.38

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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.