Home / 437,137.32-603,233.28-243,540.48

Finding the Fourth Proportional to 437,137.32, 603,233.28 and 243,540.48

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Solution

The fourth proportional to 437,137.32, 603,233.28 and 243,540.48 is: 336,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,137.32 : 603,233.28 = 243,540.48 : x
  2. Step 2: Convert to fraction form
    437,137.32/603,233.28 = 243,540.48/x
  3. Step 3: Cross multiply
    437,137.32x = 603,233.28 × 243,540.48
  4. Step 4: Simplify right side
    437,137.32x = 146,911,722,563.17
  5. Step 5: Solve for x
    x = 146,911,722,563.17/437,137.32
  6. Step 6: Final answer
    x = 336,076.82

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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.