Home / 349,129.28-481,843.36-213,134.72

Finding the Fourth Proportional to 349,129.28, 481,843.36 and 213,134.72

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Solution

The fourth proportional to 349,129.28, 481,843.36 and 213,134.72 is: 294,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,129.28 : 481,843.36 = 213,134.72 : x
  2. Step 2: Convert to fraction form
    349,129.28/481,843.36 = 213,134.72/x
  3. Step 3: Cross multiply
    349,129.28x = 481,843.36 × 213,134.72
  4. Step 4: Simplify right side
    349,129.28x = 102,697,549,617.46
  5. Step 5: Solve for x
    x = 102,697,549,617.46/349,129.28
  6. Step 6: Final answer
    x = 294,153.36

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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.