Home / 382,984.76-574,739.56-133,666.76

Finding the Fourth Proportional to 382,984.76, 574,739.56 and 133,666.76

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Solution

The fourth proportional to 382,984.76, 574,739.56 and 133,666.76 is: 200,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,984.76 : 574,739.56 = 133,666.76 : x
  2. Step 2: Convert to fraction form
    382,984.76/574,739.56 = 133,666.76/x
  3. Step 3: Cross multiply
    382,984.76x = 574,739.56 × 133,666.76
  4. Step 4: Simplify right side
    382,984.76x = 76,823,574,829.03
  5. Step 5: Solve for x
    x = 76,823,574,829.03/382,984.76
  6. Step 6: Final answer
    x = 200,591.73

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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.