Home / 281,962.71-422,968.91-79,560.59

Finding the Fourth Proportional to 281,962.71, 422,968.91 and 79,560.59

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Solution

The fourth proportional to 281,962.71, 422,968.91 and 79,560.59 is: 119,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,962.71 : 422,968.91 = 79,560.59 : x
  2. Step 2: Convert to fraction form
    281,962.71/422,968.91 = 79,560.59/x
  3. Step 3: Cross multiply
    281,962.71x = 422,968.91 × 79,560.59
  4. Step 4: Simplify right side
    281,962.71x = 33,651,653,518.61
  5. Step 5: Solve for x
    x = 33,651,653,518.61/281,962.71
  6. Step 6: Final answer
    x = 119,347.89

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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.