Home / 491,455.20-737,216.28-167,111.22

Finding the Fourth Proportional to 491,455.20, 737,216.28 and 167,111.22

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Solution

The fourth proportional to 491,455.20, 737,216.28 and 167,111.22 is: 250,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,455.20 : 737,216.28 = 167,111.22 : x
  2. Step 2: Convert to fraction form
    491,455.20/737,216.28 = 167,111.22/x
  3. Step 3: Cross multiply
    491,455.20x = 737,216.28 × 167,111.22
  4. Step 4: Simplify right side
    491,455.20x = 123,197,111,954.66
  5. Step 5: Solve for x
    x = 123,197,111,954.66/491,455.20
  6. Step 6: Final answer
    x = 250,678.21

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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.