Home / 406,043.89-609,150.58-121,722.95

Finding the Fourth Proportional to 406,043.89, 609,150.58 and 121,722.95

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Solution

The fourth proportional to 406,043.89, 609,150.58 and 121,722.95 is: 182,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,043.89 : 609,150.58 = 121,722.95 : x
  2. Step 2: Convert to fraction form
    406,043.89/609,150.58 = 121,722.95/x
  3. Step 3: Cross multiply
    406,043.89x = 609,150.58 × 121,722.95
  4. Step 4: Simplify right side
    406,043.89x = 74,147,606,810.38
  5. Step 5: Solve for x
    x = 74,147,606,810.38/406,043.89
  6. Step 6: Final answer
    x = 182,609.83

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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.