Home / 338,351.30-507,491.18-178,363.13

Finding the Fourth Proportional to 338,351.30, 507,491.18 and 178,363.13

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Solution

The fourth proportional to 338,351.30, 507,491.18 and 178,363.13 is: 267,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,351.30 : 507,491.18 = 178,363.13 : x
  2. Step 2: Convert to fraction form
    338,351.30/507,491.18 = 178,363.13/x
  3. Step 3: Cross multiply
    338,351.30x = 507,491.18 × 178,363.13
  4. Step 4: Simplify right side
    338,351.30x = 90,517,714,420.38
  5. Step 5: Solve for x
    x = 90,517,714,420.38/338,351.30
  6. Step 6: Final answer
    x = 267,525.84

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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.