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Finding the Fourth Proportional to 618,958, 928,852.08 and 224,974

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Solution

The fourth proportional to 618,958, 928,852.08 and 224,974 is: 337,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,958 : 928,852.08 = 224,974 : x
  2. Step 2: Convert to fraction form
    618,958/928,852.08 = 224,974/x
  3. Step 3: Cross multiply
    618,958x = 928,852.08 × 224,974
  4. Step 4: Simplify right side
    618,958x = 208,967,567,845.92
  5. Step 5: Solve for x
    x = 208,967,567,845.92/618,958
  6. Step 6: Final answer
    x = 337,611.87

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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.