Home / 349,272.05-523,469.79-149,357.37

Finding the Fourth Proportional to 349,272.05, 523,469.79 and 149,357.37

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Solution

The fourth proportional to 349,272.05, 523,469.79 and 149,357.37 is: 223,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,272.05 : 523,469.79 = 149,357.37 : x
  2. Step 2: Convert to fraction form
    349,272.05/523,469.79 = 149,357.37/x
  3. Step 3: Cross multiply
    349,272.05x = 523,469.79 × 149,357.37
  4. Step 4: Simplify right side
    349,272.05x = 78,184,070,127.35
  5. Step 5: Solve for x
    x = 78,184,070,127.35/349,272.05
  6. Step 6: Final answer
    x = 223,848.63

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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.