Home / 338,316.53-507,521.44-113,694.38

Finding the Fourth Proportional to 338,316.53, 507,521.44 and 113,694.38

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Solution

The fourth proportional to 338,316.53, 507,521.44 and 113,694.38 is: 170,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,316.53 : 507,521.44 = 113,694.38 : x
  2. Step 2: Convert to fraction form
    338,316.53/507,521.44 = 113,694.38/x
  3. Step 3: Cross multiply
    338,316.53x = 507,521.44 × 113,694.38
  4. Step 4: Simplify right side
    338,316.53x = 57,702,332,919.90
  5. Step 5: Solve for x
    x = 57,702,332,919.90/338,316.53
  6. Step 6: Final answer
    x = 170,557.24

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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.