Home / 639,551.35-958,820.97-240,147.64

Finding the Fourth Proportional to 639,551.35, 958,820.97 and 240,147.64

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Solution

The fourth proportional to 639,551.35, 958,820.97 and 240,147.64 is: 360,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,551.35 : 958,820.97 = 240,147.64 : x
  2. Step 2: Convert to fraction form
    639,551.35/958,820.97 = 240,147.64/x
  3. Step 3: Cross multiply
    639,551.35x = 958,820.97 × 240,147.64
  4. Step 4: Simplify right side
    639,551.35x = 230,258,593,128.01
  5. Step 5: Solve for x
    x = 230,258,593,128.01/639,551.35
  6. Step 6: Final answer
    x = 360,031.44

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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.