Home / 272,122.81-375,533.96-149,620.37

Finding the Fourth Proportional to 272,122.81, 375,533.96 and 149,620.37

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Solution

The fourth proportional to 272,122.81, 375,533.96 and 149,620.37 is: 206,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,122.81 : 375,533.96 = 149,620.37 : x
  2. Step 2: Convert to fraction form
    272,122.81/375,533.96 = 149,620.37/x
  3. Step 3: Cross multiply
    272,122.81x = 375,533.96 × 149,620.37
  4. Step 4: Simplify right side
    272,122.81x = 56,187,527,416.99
  5. Step 5: Solve for x
    x = 56,187,527,416.99/272,122.81
  6. Step 6: Final answer
    x = 206,478.57

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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.