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Finding the Fourth Proportional to 612,269.76, 918,414.04 and 233,211.54

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Solution

The fourth proportional to 612,269.76, 918,414.04 and 233,211.54 is: 349,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,269.76 : 918,414.04 = 233,211.54 : x
  2. Step 2: Convert to fraction form
    612,269.76/918,414.04 = 233,211.54/x
  3. Step 3: Cross multiply
    612,269.76x = 918,414.04 × 233,211.54
  4. Step 4: Simplify right side
    612,269.76x = 214,184,752,626.02
  5. Step 5: Solve for x
    x = 214,184,752,626.02/612,269.76
  6. Step 6: Final answer
    x = 349,820.89

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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.