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Finding the Fourth Proportional to 488,650.40, 732,392.40 and 204,340.40

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Solution

The fourth proportional to 488,650.40, 732,392.40 and 204,340.40 is: 306,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,650.40 : 732,392.40 = 204,340.40 : x
  2. Step 2: Convert to fraction form
    488,650.40/732,392.40 = 204,340.40/x
  3. Step 3: Cross multiply
    488,650.40x = 732,392.40 × 204,340.40
  4. Step 4: Simplify right side
    488,650.40x = 149,657,355,972.96
  5. Step 5: Solve for x
    x = 149,657,355,972.96/488,650.40
  6. Step 6: Final answer
    x = 306,266.72

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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.