Home / 382,561.20-573,819.48-145,927.80

Finding the Fourth Proportional to 382,561.20, 573,819.48 and 145,927.80

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Solution

The fourth proportional to 382,561.20, 573,819.48 and 145,927.80 is: 218,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,561.20 : 573,819.48 = 145,927.80 : x
  2. Step 2: Convert to fraction form
    382,561.20/573,819.48 = 145,927.80/x
  3. Step 3: Cross multiply
    382,561.20x = 573,819.48 × 145,927.80
  4. Step 4: Simplify right side
    382,561.20x = 83,736,214,313.54
  5. Step 5: Solve for x
    x = 83,736,214,313.54/382,561.20
  6. Step 6: Final answer
    x = 218,883.19

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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.