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Finding the Fourth Proportional to 272,591.97, 376,176.87 and 151,730.67

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Solution

The fourth proportional to 272,591.97, 376,176.87 and 151,730.67 is: 209,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,591.97 : 376,176.87 = 151,730.67 : x
  2. Step 2: Convert to fraction form
    272,591.97/376,176.87 = 151,730.67/x
  3. Step 3: Cross multiply
    272,591.97x = 376,176.87 × 151,730.67
  4. Step 4: Simplify right side
    272,591.97x = 57,077,568,523.60
  5. Step 5: Solve for x
    x = 57,077,568,523.60/272,591.97
  6. Step 6: Final answer
    x = 209,388.30

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1.5x scale

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.