Home / 211,436.28-291,499.80-167,973.04

Finding the Fourth Proportional to 211,436.28, 291,499.80 and 167,973.04

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Solution

The fourth proportional to 211,436.28, 291,499.80 and 167,973.04 is: 231,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,436.28 : 291,499.80 = 167,973.04 : x
  2. Step 2: Convert to fraction form
    211,436.28/291,499.80 = 167,973.04/x
  3. Step 3: Cross multiply
    211,436.28x = 291,499.80 × 167,973.04
  4. Step 4: Simplify right side
    211,436.28x = 48,964,107,454.28
  5. Step 5: Solve for x
    x = 48,964,107,454.28/211,436.28
  6. Step 6: Final answer
    x = 231,578.55

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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.