Home / 403,787.28-557,226.46-234,119.82

Finding the Fourth Proportional to 403,787.28, 557,226.46 and 234,119.82

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Solution

The fourth proportional to 403,787.28, 557,226.46 and 234,119.82 is: 323,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,787.28 : 557,226.46 = 234,119.82 : x
  2. Step 2: Convert to fraction form
    403,787.28/557,226.46 = 234,119.82/x
  3. Step 3: Cross multiply
    403,787.28x = 557,226.46 × 234,119.82
  4. Step 4: Simplify right side
    403,787.28x = 130,457,758,514.44
  5. Step 5: Solve for x
    x = 130,457,758,514.44/403,787.28
  6. Step 6: Final answer
    x = 323,085.36

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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.