Home / 351,959.68-485,577.07-231,166.45

Finding the Fourth Proportional to 351,959.68, 485,577.07 and 231,166.45

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Solution

The fourth proportional to 351,959.68, 485,577.07 and 231,166.45 is: 318,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,959.68 : 485,577.07 = 231,166.45 : x
  2. Step 2: Convert to fraction form
    351,959.68/485,577.07 = 231,166.45/x
  3. Step 3: Cross multiply
    351,959.68x = 485,577.07 × 231,166.45
  4. Step 4: Simplify right side
    351,959.68x = 112,249,127,473.30
  5. Step 5: Solve for x
    x = 112,249,127,473.30/351,959.68
  6. Step 6: Final answer
    x = 318,926.10

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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.