Home / 354,601.29-489,348.70-193,455.19

Finding the Fourth Proportional to 354,601.29, 489,348.70 and 193,455.19

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Solution

The fourth proportional to 354,601.29, 489,348.70 and 193,455.19 is: 266,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,601.29 : 489,348.70 = 193,455.19 : x
  2. Step 2: Convert to fraction form
    354,601.29/489,348.70 = 193,455.19/x
  3. Step 3: Cross multiply
    354,601.29x = 489,348.70 × 193,455.19
  4. Step 4: Simplify right side
    354,601.29x = 94,667,045,734.75
  5. Step 5: Solve for x
    x = 94,667,045,734.75/354,601.29
  6. Step 6: Final answer
    x = 266,967.57

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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.