Home / 338,134.90-507,012.34-231,638.93

Finding the Fourth Proportional to 338,134.90, 507,012.34 and 231,638.93

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Solution

The fourth proportional to 338,134.90, 507,012.34 and 231,638.93 is: 347,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,134.90 : 507,012.34 = 231,638.93 : x
  2. Step 2: Convert to fraction form
    338,134.90/507,012.34 = 231,638.93/x
  3. Step 3: Cross multiply
    338,134.90x = 507,012.34 × 231,638.93
  4. Step 4: Simplify right side
    338,134.90x = 117,443,795,930.34
  5. Step 5: Solve for x
    x = 117,443,795,930.34/338,134.90
  6. Step 6: Final answer
    x = 347,328.23

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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.