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Finding the Fourth Proportional to 323,435.40, 485,240.58 and 183,292.44

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Solution

The fourth proportional to 323,435.40, 485,240.58 and 183,292.44 is: 274,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,435.40 : 485,240.58 = 183,292.44 : x
  2. Step 2: Convert to fraction form
    323,435.40/485,240.58 = 183,292.44/x
  3. Step 3: Cross multiply
    323,435.40x = 485,240.58 × 183,292.44
  4. Step 4: Simplify right side
    323,435.40x = 88,940,929,895.22
  5. Step 5: Solve for x
    x = 88,940,929,895.22/323,435.40
  6. Step 6: Final answer
    x = 274,988.24

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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.