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Finding the Fourth Proportional to 489,673.03, 734,735.64 and 223,515.13

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Solution

The fourth proportional to 489,673.03, 734,735.64 and 223,515.13 is: 335,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,673.03 : 734,735.64 = 223,515.13 : x
  2. Step 2: Convert to fraction form
    489,673.03/734,735.64 = 223,515.13/x
  3. Step 3: Cross multiply
    489,673.03x = 734,735.64 × 223,515.13
  4. Step 4: Simplify right side
    489,673.03x = 164,224,532,090.23
  5. Step 5: Solve for x
    x = 164,224,532,090.23/489,673.03
  6. Step 6: Final answer
    x = 335,375.90

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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.