Home / 319,638.64-479,536.02-106,406.14

Finding the Fourth Proportional to 319,638.64, 479,536.02 and 106,406.14

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Solution

The fourth proportional to 319,638.64, 479,536.02 and 106,406.14 is: 159,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,638.64 : 479,536.02 = 106,406.14 : x
  2. Step 2: Convert to fraction form
    319,638.64/479,536.02 = 106,406.14/x
  3. Step 3: Cross multiply
    319,638.64x = 479,536.02 × 106,406.14
  4. Step 4: Simplify right side
    319,638.64x = 51,025,576,879.16
  5. Step 5: Solve for x
    x = 51,025,576,879.16/319,638.64
  6. Step 6: Final answer
    x = 159,635.20

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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.