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Finding the Fourth Proportional to 243,462.11, 335,995.09 and 134,564.11

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Solution

The fourth proportional to 243,462.11, 335,995.09 and 134,564.11 is: 185,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,462.11 : 335,995.09 = 134,564.11 : x
  2. Step 2: Convert to fraction form
    243,462.11/335,995.09 = 134,564.11/x
  3. Step 3: Cross multiply
    243,462.11x = 335,995.09 × 134,564.11
  4. Step 4: Simplify right side
    243,462.11x = 45,212,879,073.82
  5. Step 5: Solve for x
    x = 45,212,879,073.82/243,462.11
  6. Step 6: Final answer
    x = 185,708.08

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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.