Home / 211,426.79-291,486.72-167,963.55

Finding the Fourth Proportional to 211,426.79, 291,486.72 and 167,963.55

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Solution

The fourth proportional to 211,426.79, 291,486.72 and 167,963.55 is: 231,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,426.79 : 291,486.72 = 167,963.55 : x
  2. Step 2: Convert to fraction form
    211,426.79/291,486.72 = 167,963.55/x
  3. Step 3: Cross multiply
    211,426.79x = 291,486.72 × 167,963.55
  4. Step 4: Simplify right side
    211,426.79x = 48,959,141,971.80
  5. Step 5: Solve for x
    x = 48,959,141,971.80/211,426.79
  6. Step 6: Final answer
    x = 231,565.47

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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.