Home / 329,821.16-455,154.06-178,918.16

Finding the Fourth Proportional to 329,821.16, 455,154.06 and 178,918.16

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Solution

The fourth proportional to 329,821.16, 455,154.06 and 178,918.16 is: 246,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,821.16 : 455,154.06 = 178,918.16 : x
  2. Step 2: Convert to fraction form
    329,821.16/455,154.06 = 178,918.16/x
  3. Step 3: Cross multiply
    329,821.16x = 455,154.06 × 178,918.16
  4. Step 4: Simplify right side
    329,821.16x = 81,435,325,326.90
  5. Step 5: Solve for x
    x = 81,435,325,326.90/329,821.16
  6. Step 6: Final answer
    x = 246,907.53

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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.