Home / 404,729.30-606,988.16-120,343.26

Finding the Fourth Proportional to 404,729.30, 606,988.16 and 120,343.26

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Solution

The fourth proportional to 404,729.30, 606,988.16 and 120,343.26 is: 180,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,729.30 : 606,988.16 = 120,343.26 : x
  2. Step 2: Convert to fraction form
    404,729.30/606,988.16 = 120,343.26/x
  3. Step 3: Cross multiply
    404,729.30x = 606,988.16 × 120,343.26
  4. Step 4: Simplify right side
    404,729.30x = 73,046,930,920.86
  5. Step 5: Solve for x
    x = 73,046,930,920.86/404,729.30
  6. Step 6: Final answer
    x = 180,483.43

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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.