Home / 359,284.21-538,778.04-122,645.95

Finding the Fourth Proportional to 359,284.21, 538,778.04 and 122,645.95

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Solution

The fourth proportional to 359,284.21, 538,778.04 and 122,645.95 is: 183,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,284.21 : 538,778.04 = 122,645.95 : x
  2. Step 2: Convert to fraction form
    359,284.21/538,778.04 = 122,645.95/x
  3. Step 3: Cross multiply
    359,284.21x = 538,778.04 × 122,645.95
  4. Step 4: Simplify right side
    359,284.21x = 66,078,944,554.94
  5. Step 5: Solve for x
    x = 66,078,944,554.94/359,284.21
  6. Step 6: Final answer
    x = 183,918.31

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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.