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Finding the Fourth Proportional to 338,672.00, 507,943.34 and 170,145.55

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Solution

The fourth proportional to 338,672.00, 507,943.34 and 170,145.55 is: 255,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,672.00 : 507,943.34 = 170,145.55 : x
  2. Step 2: Convert to fraction form
    338,672.00/507,943.34 = 170,145.55/x
  3. Step 3: Cross multiply
    338,672.00x = 507,943.34 × 170,145.55
  4. Step 4: Simplify right side
    338,672.00x = 86,424,296,518.20
  5. Step 5: Solve for x
    x = 86,424,296,518.20/338,672.00
  6. Step 6: Final answer
    x = 255,185.83

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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.