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Finding the Fourth Proportional to 183,440.40, 274,820.40 and 104,319.60

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Solution

The fourth proportional to 183,440.40, 274,820.40 and 104,319.60 is: 156,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,440.40 : 274,820.40 = 104,319.60 : x
  2. Step 2: Convert to fraction form
    183,440.40/274,820.40 = 104,319.60/x
  3. Step 3: Cross multiply
    183,440.40x = 274,820.40 × 104,319.60
  4. Step 4: Simplify right side
    183,440.40x = 28,669,154,199.84
  5. Step 5: Solve for x
    x = 28,669,154,199.84/183,440.40
  6. Step 6: Final answer
    x = 156,285.93

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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.