Home / 382,083.45-573,090.03-129,335.05

Finding the Fourth Proportional to 382,083.45, 573,090.03 and 129,335.05

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Solution

The fourth proportional to 382,083.45, 573,090.03 and 129,335.05 is: 193,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,083.45 : 573,090.03 = 129,335.05 : x
  2. Step 2: Convert to fraction form
    382,083.45/573,090.03 = 129,335.05/x
  3. Step 3: Cross multiply
    382,083.45x = 573,090.03 × 129,335.05
  4. Step 4: Simplify right side
    382,083.45x = 74,120,626,251.83
  5. Step 5: Solve for x
    x = 74,120,626,251.83/382,083.45
  6. Step 6: Final answer
    x = 193,990.67

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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.