Home / 354,826.91-489,672.74-193,690.58

Finding the Fourth Proportional to 354,826.91, 489,672.74 and 193,690.58

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Solution

The fourth proportional to 354,826.91, 489,672.74 and 193,690.58 is: 267,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,826.91 : 489,672.74 = 193,690.58 : x
  2. Step 2: Convert to fraction form
    354,826.91/489,672.74 = 193,690.58/x
  3. Step 3: Cross multiply
    354,826.91x = 489,672.74 × 193,690.58
  4. Step 4: Simplify right side
    354,826.91x = 94,844,995,056.65
  5. Step 5: Solve for x
    x = 94,844,995,056.65/354,826.91
  6. Step 6: Final answer
    x = 267,299.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.