Home / 320,966.13-481,454.67-121,380.51

Finding the Fourth Proportional to 320,966.13, 481,454.67 and 121,380.51

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Solution

The fourth proportional to 320,966.13, 481,454.67 and 121,380.51 is: 182,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,966.13 : 481,454.67 = 121,380.51 : x
  2. Step 2: Convert to fraction form
    320,966.13/481,454.67 = 121,380.51/x
  3. Step 3: Cross multiply
    320,966.13x = 481,454.67 × 121,380.51
  4. Step 4: Simplify right side
    320,966.13x = 58,439,213,386.48
  5. Step 5: Solve for x
    x = 58,439,213,386.48/320,966.13
  6. Step 6: Final answer
    x = 182,072.84

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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.