Home / 218,425.09-327,637.64-60,653.55

Finding the Fourth Proportional to 218,425.09, 327,637.64 and 60,653.55

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Solution

The fourth proportional to 218,425.09, 327,637.64 and 60,653.55 is: 90,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,425.09 : 327,637.64 = 60,653.55 : x
  2. Step 2: Convert to fraction form
    218,425.09/327,637.64 = 60,653.55/x
  3. Step 3: Cross multiply
    218,425.09x = 327,637.64 × 60,653.55
  4. Step 4: Simplify right side
    218,425.09x = 19,872,385,979.62
  5. Step 5: Solve for x
    x = 19,872,385,979.62/218,425.09
  6. Step 6: Final answer
    x = 90,980.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.