Home / 211,400.07-316,767.51-163,485.97

Finding the Fourth Proportional to 211,400.07, 316,767.51 and 163,485.97

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Solution

The fourth proportional to 211,400.07, 316,767.51 and 163,485.97 is: 244,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,400.07 : 316,767.51 = 163,485.97 : x
  2. Step 2: Convert to fraction form
    211,400.07/316,767.51 = 163,485.97/x
  3. Step 3: Cross multiply
    211,400.07x = 316,767.51 × 163,485.97
  4. Step 4: Simplify right side
    211,400.07x = 51,787,042,844.92
  5. Step 5: Solve for x
    x = 51,787,042,844.92/211,400.07
  6. Step 6: Final answer
    x = 244,971.74

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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.