Home / 338,923.89-508,399.02-102,266.58

Finding the Fourth Proportional to 338,923.89, 508,399.02 and 102,266.58

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Solution

The fourth proportional to 338,923.89, 508,399.02 and 102,266.58 is: 153,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,923.89 : 508,399.02 = 102,266.58 : x
  2. Step 2: Convert to fraction form
    338,923.89/508,399.02 = 102,266.58/x
  3. Step 3: Cross multiply
    338,923.89x = 508,399.02 × 102,266.58
  4. Step 4: Simplify right side
    338,923.89x = 51,992,229,050.75
  5. Step 5: Solve for x
    x = 51,992,229,050.75/338,923.89
  6. Step 6: Final answer
    x = 153,403.85

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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.