Home / 329,890.36-494,394.90-171,787.32

Finding the Fourth Proportional to 329,890.36, 494,394.90 and 171,787.32

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Solution

The fourth proportional to 329,890.36, 494,394.90 and 171,787.32 is: 257,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,890.36 : 494,394.90 = 171,787.32 : x
  2. Step 2: Convert to fraction form
    329,890.36/494,394.90 = 171,787.32/x
  3. Step 3: Cross multiply
    329,890.36x = 494,394.90 × 171,787.32
  4. Step 4: Simplify right side
    329,890.36x = 84,930,774,892.67
  5. Step 5: Solve for x
    x = 84,930,774,892.67/329,890.36
  6. Step 6: Final answer
    x = 257,451.52

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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.