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Finding the Fourth Proportional to 339,013.44, 507,900.38 and 158,768.19

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Solution

The fourth proportional to 339,013.44, 507,900.38 and 158,768.19 is: 237,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,013.44 : 507,900.38 = 158,768.19 : x
  2. Step 2: Convert to fraction form
    339,013.44/507,900.38 = 158,768.19/x
  3. Step 3: Cross multiply
    339,013.44x = 507,900.38 × 158,768.19
  4. Step 4: Simplify right side
    339,013.44x = 80,638,423,239.07
  5. Step 5: Solve for x
    x = 80,638,423,239.07/339,013.44
  6. Step 6: Final answer
    x = 237,862.02

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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.