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Finding the Fourth Proportional to 508,372, 762,558 and 134,395

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Solution

The fourth proportional to 508,372, 762,558 and 134,395 is: 201,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,372 : 762,558 = 134,395 : x
  2. Step 2: Convert to fraction form
    508,372/762,558 = 134,395/x
  3. Step 3: Cross multiply
    508,372x = 762,558 × 134,395
  4. Step 4: Simplify right side
    508,372x = 102,483,982,410
  5. Step 5: Solve for x
    x = 102,483,982,410/508,372
  6. Step 6: Final answer
    x = 201,592.50

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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.