Home / 339,484.37-509,337.18-161,968.41

Finding the Fourth Proportional to 339,484.37, 509,337.18 and 161,968.41

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Solution

The fourth proportional to 339,484.37, 509,337.18 and 161,968.41 is: 243,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,484.37 : 509,337.18 = 161,968.41 : x
  2. Step 2: Convert to fraction form
    339,484.37/509,337.18 = 161,968.41/x
  3. Step 3: Cross multiply
    339,484.37x = 509,337.18 × 161,968.41
  4. Step 4: Simplify right side
    339,484.37x = 82,496,533,198.48
  5. Step 5: Solve for x
    x = 82,496,533,198.48/339,484.37
  6. Step 6: Final answer
    x = 243,005.40

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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.