Home / 339,975.50-469,156.66-187,013.54

Finding the Fourth Proportional to 339,975.50, 469,156.66 and 187,013.54

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Solution

The fourth proportional to 339,975.50, 469,156.66 and 187,013.54 is: 258,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,975.50 : 469,156.66 = 187,013.54 : x
  2. Step 2: Convert to fraction form
    339,975.50/469,156.66 = 187,013.54/x
  3. Step 3: Cross multiply
    339,975.50x = 469,156.66 × 187,013.54
  4. Step 4: Simplify right side
    339,975.50x = 87,738,648,506.53
  5. Step 5: Solve for x
    x = 87,738,648,506.53/339,975.50
  6. Step 6: Final answer
    x = 258,073.45

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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.