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Finding the Fourth Proportional to 254,670.02, 381,709.77 and 239,907.77

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Solution

The fourth proportional to 254,670.02, 381,709.77 and 239,907.77 is: 359,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,670.02 : 381,709.77 = 239,907.77 : x
  2. Step 2: Convert to fraction form
    254,670.02/381,709.77 = 239,907.77/x
  3. Step 3: Cross multiply
    254,670.02x = 381,709.77 × 239,907.77
  4. Step 4: Simplify right side
    254,670.02x = 91,575,140,478.24
  5. Step 5: Solve for x
    x = 91,575,140,478.24/254,670.02
  6. Step 6: Final answer
    x = 359,583.51

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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.