Home / 324,200.10-485,954.55-124,443.30

Finding the Fourth Proportional to 324,200.10, 485,954.55 and 124,443.30

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Solution

The fourth proportional to 324,200.10, 485,954.55 and 124,443.30 is: 186,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,200.10 : 485,954.55 = 124,443.30 : x
  2. Step 2: Convert to fraction form
    324,200.10/485,954.55 = 124,443.30/x
  3. Step 3: Cross multiply
    324,200.10x = 485,954.55 × 124,443.30
  4. Step 4: Simplify right side
    324,200.10x = 60,473,787,852.02
  5. Step 5: Solve for x
    x = 60,473,787,852.02/324,200.10
  6. Step 6: Final answer
    x = 186,532.29

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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.