Home / 403,845.76-557,287.20-234,135.04

Finding the Fourth Proportional to 403,845.76, 557,287.20 and 234,135.04

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Solution

The fourth proportional to 403,845.76, 557,287.20 and 234,135.04 is: 323,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,845.76 : 557,287.20 = 234,135.04 : x
  2. Step 2: Convert to fraction form
    403,845.76/557,287.20 = 234,135.04/x
  3. Step 3: Cross multiply
    403,845.76x = 557,287.20 × 234,135.04
  4. Step 4: Simplify right side
    403,845.76x = 130,480,460,863.49
  5. Step 5: Solve for x
    x = 130,480,460,863.49/403,845.76
  6. Step 6: Final answer
    x = 323,094.79

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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.