Home / 368,064.32-507,719.52-231,863.36

Finding the Fourth Proportional to 368,064.32, 507,719.52 and 231,863.36

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Solution

The fourth proportional to 368,064.32, 507,719.52 and 231,863.36 is: 319,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,064.32 : 507,719.52 = 231,863.36 : x
  2. Step 2: Convert to fraction form
    368,064.32/507,719.52 = 231,863.36/x
  3. Step 3: Cross multiply
    368,064.32x = 507,719.52 × 231,863.36
  4. Step 4: Simplify right side
    368,064.32x = 117,721,553,844.79
  5. Step 5: Solve for x
    x = 117,721,553,844.79/368,064.32
  6. Step 6: Final answer
    x = 319,839.62

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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.