Home / 382,201.20-573,301.80-145,653.36

Finding the Fourth Proportional to 382,201.20, 573,301.80 and 145,653.36

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Solution

The fourth proportional to 382,201.20, 573,301.80 and 145,653.36 is: 218,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,201.20 : 573,301.80 = 145,653.36 : x
  2. Step 2: Convert to fraction form
    382,201.20/573,301.80 = 145,653.36/x
  3. Step 3: Cross multiply
    382,201.20x = 573,301.80 × 145,653.36
  4. Step 4: Simplify right side
    382,201.20x = 83,503,333,464.05
  5. Step 5: Solve for x
    x = 83,503,333,464.05/382,201.20
  6. Step 6: Final answer
    x = 218,480.04

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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.