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Finding the Fourth Proportional to 243,990.22, 336,706.48 and 136,560.26

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Solution

The fourth proportional to 243,990.22, 336,706.48 and 136,560.26 is: 188,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,990.22 : 336,706.48 = 136,560.26 : x
  2. Step 2: Convert to fraction form
    243,990.22/336,706.48 = 136,560.26/x
  3. Step 3: Cross multiply
    243,990.22x = 336,706.48 × 136,560.26
  4. Step 4: Simplify right side
    243,990.22x = 45,980,724,452.48
  5. Step 5: Solve for x
    x = 45,980,724,452.48/243,990.22
  6. Step 6: Final answer
    x = 188,453.15

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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.