Home / 353,823.53-488,441.95-226,571.72

Finding the Fourth Proportional to 353,823.53, 488,441.95 and 226,571.72

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Solution

The fourth proportional to 353,823.53, 488,441.95 and 226,571.72 is: 312,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,823.53 : 488,441.95 = 226,571.72 : x
  2. Step 2: Convert to fraction form
    353,823.53/488,441.95 = 226,571.72/x
  3. Step 3: Cross multiply
    353,823.53x = 488,441.95 × 226,571.72
  4. Step 4: Simplify right side
    353,823.53x = 110,667,129,723.02
  5. Step 5: Solve for x
    x = 110,667,129,723.02/353,823.53
  6. Step 6: Final answer
    x = 312,774.93

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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.