Home / 400,442.64-552,556.24-239,263.60

Finding the Fourth Proportional to 400,442.64, 552,556.24 and 239,263.60

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Solution

The fourth proportional to 400,442.64, 552,556.24 and 239,263.60 is: 330,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,442.64 : 552,556.24 = 239,263.60 : x
  2. Step 2: Convert to fraction form
    400,442.64/552,556.24 = 239,263.60/x
  3. Step 3: Cross multiply
    400,442.64x = 552,556.24 × 239,263.60
  4. Step 4: Simplify right side
    400,442.64x = 132,206,595,184.86
  5. Step 5: Solve for x
    x = 132,206,595,184.86/400,442.64
  6. Step 6: Final answer
    x = 330,151.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.