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Finding the Fourth Proportional to 639,550.84, 958,820.22 and 240,147.13

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Solution

The fourth proportional to 639,550.84, 958,820.22 and 240,147.13 is: 360,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,550.84 : 958,820.22 = 240,147.13 : x
  2. Step 2: Convert to fraction form
    639,550.84/958,820.22 = 240,147.13/x
  3. Step 3: Cross multiply
    639,550.84x = 958,820.22 × 240,147.13
  4. Step 4: Simplify right side
    639,550.84x = 230,257,924,018.97
  5. Step 5: Solve for x
    x = 230,257,924,018.97/639,550.84
  6. Step 6: Final answer
    x = 360,030.68

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1.5x scale

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.