Home / 338,682.14-507,958.43-170,155.76

Finding the Fourth Proportional to 338,682.14, 507,958.43 and 170,155.76

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Solution

The fourth proportional to 338,682.14, 507,958.43 and 170,155.76 is: 255,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,682.14 : 507,958.43 = 170,155.76 : x
  2. Step 2: Convert to fraction form
    338,682.14/507,958.43 = 170,155.76/x
  3. Step 3: Cross multiply
    338,682.14x = 507,958.43 × 170,155.76
  4. Step 4: Simplify right side
    338,682.14x = 86,432,054,400.34
  5. Step 5: Solve for x
    x = 86,432,054,400.34/338,682.14
  6. Step 6: Final answer
    x = 255,201.10

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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.