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Finding the Fourth Proportional to 270,994.59, 373,972.26 and 150,143.40

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Solution

The fourth proportional to 270,994.59, 373,972.26 and 150,143.40 is: 207,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,994.59 : 373,972.26 = 150,143.40 : x
  2. Step 2: Convert to fraction form
    270,994.59/373,972.26 = 150,143.40/x
  3. Step 3: Cross multiply
    270,994.59x = 373,972.26 × 150,143.40
  4. Step 4: Simplify right side
    270,994.59x = 56,149,464,752.22
  5. Step 5: Solve for x
    x = 56,149,464,752.22/270,994.59
  6. Step 6: Final answer
    x = 207,197.74

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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.