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Finding the Fourth Proportional to 224,539.06, 336,580.68 and 191,766.86

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Solution

The fourth proportional to 224,539.06, 336,580.68 and 191,766.86 is: 287,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,539.06 : 336,580.68 = 191,766.86 : x
  2. Step 2: Convert to fraction form
    224,539.06/336,580.68 = 191,766.86/x
  3. Step 3: Cross multiply
    224,539.06x = 336,580.68 × 191,766.86
  4. Step 4: Simplify right side
    224,539.06x = 64,545,020,140.26
  5. Step 5: Solve for x
    x = 64,545,020,140.26/224,539.06
  6. Step 6: Final answer
    x = 287,455.64

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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.