Home / 349,128.56-523,204.50-188,858.42

Finding the Fourth Proportional to 349,128.56, 523,204.50 and 188,858.42

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Solution

The fourth proportional to 349,128.56, 523,204.50 and 188,858.42 is: 283,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,128.56 : 523,204.50 = 188,858.42 : x
  2. Step 2: Convert to fraction form
    349,128.56/523,204.50 = 188,858.42/x
  3. Step 3: Cross multiply
    349,128.56x = 523,204.50 × 188,858.42
  4. Step 4: Simplify right side
    349,128.56x = 98,811,575,206.89
  5. Step 5: Solve for x
    x = 98,811,575,206.89/349,128.56
  6. Step 6: Final answer
    x = 283,023.47

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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.