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Finding the Fourth Proportional to 501,347, 691,856.87 and 271,903.36

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Solution

The fourth proportional to 501,347, 691,856.87 and 271,903.36 is: 375,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,347 : 691,856.87 = 271,903.36 : x
  2. Step 2: Convert to fraction form
    501,347/691,856.87 = 271,903.36/x
  3. Step 3: Cross multiply
    501,347x = 691,856.87 × 271,903.36
  4. Step 4: Simplify right side
    501,347x = 188,118,207,592.08
  5. Step 5: Solve for x
    x = 188,118,207,592.08/501,347
  6. Step 6: Final answer
    x = 375,225.56

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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.