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Finding the Fourth Proportional to 265,974.32, 366,994.44 and 158,554.34

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Solution

The fourth proportional to 265,974.32, 366,994.44 and 158,554.34 is: 218,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,974.32 : 366,994.44 = 158,554.34 : x
  2. Step 2: Convert to fraction form
    265,974.32/366,994.44 = 158,554.34/x
  3. Step 3: Cross multiply
    265,974.32x = 366,994.44 × 158,554.34
  4. Step 4: Simplify right side
    265,974.32x = 58,188,561,217.87
  5. Step 5: Solve for x
    x = 58,188,561,217.87/265,974.32
  6. Step 6: Final answer
    x = 218,775.11

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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.