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Finding the Fourth Proportional to 525,744.87, 789,178.67 and 226,373.67

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Solution

The fourth proportional to 525,744.87, 789,178.67 and 226,373.67 is: 339,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,744.87 : 789,178.67 = 226,373.67 : x
  2. Step 2: Convert to fraction form
    525,744.87/789,178.67 = 226,373.67/x
  3. Step 3: Cross multiply
    525,744.87x = 789,178.67 × 226,373.67
  4. Step 4: Simplify right side
    525,744.87x = 178,649,271,813.62
  5. Step 5: Solve for x
    x = 178,649,271,813.62/525,744.87
  6. Step 6: Final answer
    x = 339,802.22

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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.