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Finding the Fourth Proportional to 180,271.99, 270,388.52 and 60,315.36

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Solution

The fourth proportional to 180,271.99, 270,388.52 and 60,315.36 is: 90,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,271.99 : 270,388.52 = 60,315.36 : x
  2. Step 2: Convert to fraction form
    180,271.99/270,388.52 = 60,315.36/x
  3. Step 3: Cross multiply
    180,271.99x = 270,388.52 × 60,315.36
  4. Step 4: Simplify right side
    180,271.99x = 16,308,579,571.72
  5. Step 5: Solve for x
    x = 16,308,579,571.72/180,271.99
  6. Step 6: Final answer
    x = 90,466.52

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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.