Home / 402,679.04-604,022.19-122,196.29

Finding the Fourth Proportional to 402,679.04, 604,022.19 and 122,196.29

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Solution

The fourth proportional to 402,679.04, 604,022.19 and 122,196.29 is: 183,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,679.04 : 604,022.19 = 122,196.29 : x
  2. Step 2: Convert to fraction form
    402,679.04/604,022.19 = 122,196.29/x
  3. Step 3: Cross multiply
    402,679.04x = 604,022.19 × 122,196.29
  4. Step 4: Simplify right side
    402,679.04x = 73,809,267,675.56
  5. Step 5: Solve for x
    x = 73,809,267,675.56/402,679.04
  6. Step 6: Final answer
    x = 183,295.53

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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.