Home / 349,137.28-481,823.36-198,248.32

Finding the Fourth Proportional to 349,137.28, 481,823.36 and 198,248.32

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Solution

The fourth proportional to 349,137.28, 481,823.36 and 198,248.32 is: 273,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,137.28 : 481,823.36 = 198,248.32 : x
  2. Step 2: Convert to fraction form
    349,137.28/481,823.36 = 198,248.32/x
  3. Step 3: Cross multiply
    349,137.28x = 481,823.36 × 198,248.32
  4. Step 4: Simplify right side
    349,137.28x = 95,520,671,656.76
  5. Step 5: Solve for x
    x = 95,520,671,656.76/349,137.28
  6. Step 6: Final answer
    x = 273,590.58

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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.