Home / 217,518.82-300,304.66-137,015.35

Finding the Fourth Proportional to 217,518.82, 300,304.66 and 137,015.35

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Solution

The fourth proportional to 217,518.82, 300,304.66 and 137,015.35 is: 189,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,518.82 : 300,304.66 = 137,015.35 : x
  2. Step 2: Convert to fraction form
    217,518.82/300,304.66 = 137,015.35/x
  3. Step 3: Cross multiply
    217,518.82x = 300,304.66 × 137,015.35
  4. Step 4: Simplify right side
    217,518.82x = 41,146,346,595.01
  5. Step 5: Solve for x
    x = 41,146,346,595.01/217,518.82
  6. Step 6: Final answer
    x = 189,162.24

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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.