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Finding the Fourth Proportional to 349,554, 524,331.21 and 149,745.12

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Solution

The fourth proportional to 349,554, 524,331.21 and 149,745.12 is: 224,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,554 : 524,331.21 = 149,745.12 : x
  2. Step 2: Convert to fraction form
    349,554/524,331.21 = 149,745.12/x
  3. Step 3: Cross multiply
    349,554x = 524,331.21 × 149,745.12
  4. Step 4: Simplify right side
    349,554x = 78,516,039,961.20
  5. Step 5: Solve for x
    x = 78,516,039,961.20/349,554
  6. Step 6: Final answer
    x = 224,617.77

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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.