Home / 354,943.44-489,822.12-204,031.44

Finding the Fourth Proportional to 354,943.44, 489,822.12 and 204,031.44

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Solution

The fourth proportional to 354,943.44, 489,822.12 and 204,031.44 is: 281,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,943.44 : 489,822.12 = 204,031.44 : x
  2. Step 2: Convert to fraction form
    354,943.44/489,822.12 = 204,031.44/x
  3. Step 3: Cross multiply
    354,943.44x = 489,822.12 × 204,031.44
  4. Step 4: Simplify right side
    354,943.44x = 99,939,112,487.45
  5. Step 5: Solve for x
    x = 99,939,112,487.45/354,943.44
  6. Step 6: Final answer
    x = 281,563.49

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1.5x scale

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.