Home / 299,725.03-449,809.35-141,953.86

Finding the Fourth Proportional to 299,725.03, 449,809.35 and 141,953.86

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Solution

The fourth proportional to 299,725.03, 449,809.35 and 141,953.86 is: 213,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,725.03 : 449,809.35 = 141,953.86 : x
  2. Step 2: Convert to fraction form
    299,725.03/449,809.35 = 141,953.86/x
  3. Step 3: Cross multiply
    299,725.03x = 449,809.35 × 141,953.86
  4. Step 4: Simplify right side
    299,725.03x = 63,852,173,496.59
  5. Step 5: Solve for x
    x = 63,852,173,496.59/299,725.03
  6. Step 6: Final answer
    x = 213,035.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.