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Finding the Fourth Proportional to 243,647.93, 336,265.03 and 136,224.32

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Solution

The fourth proportional to 243,647.93, 336,265.03 and 136,224.32 is: 188,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,647.93 : 336,265.03 = 136,224.32 : x
  2. Step 2: Convert to fraction form
    243,647.93/336,265.03 = 136,224.32/x
  3. Step 3: Cross multiply
    243,647.93x = 336,265.03 × 136,224.32
  4. Step 4: Simplify right side
    243,647.93x = 45,807,473,029.64
  5. Step 5: Solve for x
    x = 45,807,473,029.64/243,647.93
  6. Step 6: Final answer
    x = 188,006.83

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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.