Home / 433,102.85-649,724.33-133,513.37

Finding the Fourth Proportional to 433,102.85, 649,724.33 and 133,513.37

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Solution

The fourth proportional to 433,102.85, 649,724.33 and 133,513.37 is: 200,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102.85 : 649,724.33 = 133,513.37 : x
  2. Step 2: Convert to fraction form
    433,102.85/649,724.33 = 133,513.37/x
  3. Step 3: Cross multiply
    433,102.85x = 649,724.33 × 133,513.37
  4. Step 4: Simplify right side
    433,102.85x = 86,746,884,869.29
  5. Step 5: Solve for x
    x = 86,746,884,869.29/433,102.85
  6. Step 6: Final answer
    x = 200,291.65

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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.