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Finding the Fourth Proportional to 329,901.30, 494,414.55 and 292,284.90

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Solution

The fourth proportional to 329,901.30, 494,414.55 and 292,284.90 is: 438,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,901.30 : 494,414.55 = 292,284.90 : x
  2. Step 2: Convert to fraction form
    329,901.30/494,414.55 = 292,284.90/x
  3. Step 3: Cross multiply
    329,901.30x = 494,414.55 × 292,284.90
  4. Step 4: Simplify right side
    329,901.30x = 144,509,907,305.30
  5. Step 5: Solve for x
    x = 144,509,907,305.30/329,901.30
  6. Step 6: Final answer
    x = 438,039.82

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1.5x scale

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.