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Finding the Fourth Proportional to 404,852, 607,648.32 and 205,310.08

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Solution

The fourth proportional to 404,852, 607,648.32 and 205,310.08 is: 308,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,852 : 607,648.32 = 205,310.08 : x
  2. Step 2: Convert to fraction form
    404,852/607,648.32 = 205,310.08/x
  3. Step 3: Cross multiply
    404,852x = 607,648.32 × 205,310.08
  4. Step 4: Simplify right side
    404,852x = 124,756,325,191.07
  5. Step 5: Solve for x
    x = 124,756,325,191.07/404,852
  6. Step 6: Final answer
    x = 308,152.92

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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.