Home / 338,934.54-508,415.04-102,277.25

Finding the Fourth Proportional to 338,934.54, 508,415.04 and 102,277.25

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Solution

The fourth proportional to 338,934.54, 508,415.04 and 102,277.25 is: 153,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,934.54 : 508,415.04 = 102,277.25 : x
  2. Step 2: Convert to fraction form
    338,934.54/508,415.04 = 102,277.25/x
  3. Step 3: Cross multiply
    338,934.54x = 508,415.04 × 102,277.25
  4. Step 4: Simplify right side
    338,934.54x = 51,999,292,149.84
  5. Step 5: Solve for x
    x = 51,999,292,149.84/338,934.54
  6. Step 6: Final answer
    x = 153,419.87

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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.