Home / 433,014.03-649,581.17-133,518.15

Finding the Fourth Proportional to 433,014.03, 649,581.17 and 133,518.15

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Solution

The fourth proportional to 433,014.03, 649,581.17 and 133,518.15 is: 200,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,014.03 : 649,581.17 = 133,518.15 : x
  2. Step 2: Convert to fraction form
    433,014.03/649,581.17 = 133,518.15/x
  3. Step 3: Cross multiply
    433,014.03x = 649,581.17 × 133,518.15
  4. Step 4: Simplify right side
    433,014.03x = 86,730,876,093.24
  5. Step 5: Solve for x
    x = 86,730,876,093.24/433,014.03
  6. Step 6: Final answer
    x = 200,295.76

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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.