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Finding the Fourth Proportional to 322,179.42, 480,913.86 and 298,762.12

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Solution

The fourth proportional to 322,179.42, 480,913.86 and 298,762.12 is: 445,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,179.42 : 480,913.86 = 298,762.12 : x
  2. Step 2: Convert to fraction form
    322,179.42/480,913.86 = 298,762.12/x
  3. Step 3: Cross multiply
    322,179.42x = 480,913.86 × 298,762.12
  4. Step 4: Simplify right side
    322,179.42x = 143,678,844,391.95
  5. Step 5: Solve for x
    x = 143,678,844,391.95/322,179.42
  6. Step 6: Final answer
    x = 445,959.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.