Home / 211,289.03-291,449.32-172,583.11

Finding the Fourth Proportional to 211,289.03, 291,449.32 and 172,583.11

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Solution

The fourth proportional to 211,289.03, 291,449.32 and 172,583.11 is: 238,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,289.03 : 291,449.32 = 172,583.11 : x
  2. Step 2: Convert to fraction form
    211,289.03/291,449.32 = 172,583.11/x
  3. Step 3: Cross multiply
    211,289.03x = 291,449.32 × 172,583.11
  4. Step 4: Simplify right side
    211,289.03x = 50,299,228,892.90
  5. Step 5: Solve for x
    x = 50,299,228,892.90/211,289.03
  6. Step 6: Final answer
    x = 238,058.87

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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.