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Finding the Fourth Proportional to 550,254.50, 759,028.68 and 345,981.68

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Solution

The fourth proportional to 550,254.50, 759,028.68 and 345,981.68 is: 477,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,254.50 : 759,028.68 = 345,981.68 : x
  2. Step 2: Convert to fraction form
    550,254.50/759,028.68 = 345,981.68/x
  3. Step 3: Cross multiply
    550,254.50x = 759,028.68 × 345,981.68
  4. Step 4: Simplify right side
    550,254.50x = 262,610,014,079.44
  5. Step 5: Solve for x
    x = 262,610,014,079.44/550,254.50
  6. Step 6: Final answer
    x = 477,251.92

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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.