Home / 382,299.56-573,091.18-129,403.07

Finding the Fourth Proportional to 382,299.56, 573,091.18 and 129,403.07

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Solution

The fourth proportional to 382,299.56, 573,091.18 and 129,403.07 is: 193,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,299.56 : 573,091.18 = 129,403.07 : x
  2. Step 2: Convert to fraction form
    382,299.56/573,091.18 = 129,403.07/x
  3. Step 3: Cross multiply
    382,299.56x = 573,091.18 × 129,403.07
  4. Step 4: Simplify right side
    382,299.56x = 74,159,758,081.92
  5. Step 5: Solve for x
    x = 74,159,758,081.92/382,299.56
  6. Step 6: Final answer
    x = 193,983.37

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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.