Home / 351,253.36-484,784.22-230,743.72

Finding the Fourth Proportional to 351,253.36, 484,784.22 and 230,743.72

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Solution

The fourth proportional to 351,253.36, 484,784.22 and 230,743.72 is: 318,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,253.36 : 484,784.22 = 230,743.72 : x
  2. Step 2: Convert to fraction form
    351,253.36/484,784.22 = 230,743.72/x
  3. Step 3: Cross multiply
    351,253.36x = 484,784.22 × 230,743.72
  4. Step 4: Simplify right side
    351,253.36x = 111,860,914,320.10
  5. Step 5: Solve for x
    x = 111,860,914,320.10/351,253.36
  6. Step 6: Final answer
    x = 318,462.19

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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.