Home / 217,448.15-300,088.55-135,824.73

Finding the Fourth Proportional to 217,448.15, 300,088.55 and 135,824.73

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Solution

The fourth proportional to 217,448.15, 300,088.55 and 135,824.73 is: 187,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,448.15 : 300,088.55 = 135,824.73 : x
  2. Step 2: Convert to fraction form
    217,448.15/300,088.55 = 135,824.73/x
  3. Step 3: Cross multiply
    217,448.15x = 300,088.55 × 135,824.73
  4. Step 4: Simplify right side
    217,448.15x = 40,759,445,438.56
  5. Step 5: Solve for x
    x = 40,759,445,438.56/217,448.15
  6. Step 6: Final answer
    x = 187,444.43

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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.