Home / 639,208.44-958,563.48-239,631.20

Finding the Fourth Proportional to 639,208.44, 958,563.48 and 239,631.20

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Solution

The fourth proportional to 639,208.44, 958,563.48 and 239,631.20 is: 359,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,208.44 : 958,563.48 = 239,631.20 : x
  2. Step 2: Convert to fraction form
    639,208.44/958,563.48 = 239,631.20/x
  3. Step 3: Cross multiply
    639,208.44x = 958,563.48 × 239,631.20
  4. Step 4: Simplify right side
    639,208.44x = 229,701,712,195.76
  5. Step 5: Solve for x
    x = 229,701,712,195.76/639,208.44
  6. Step 6: Final answer
    x = 359,353.38

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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.