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Finding the Fourth Proportional to 368,941.32, 553,576.86 and 179,297.64

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Solution

The fourth proportional to 368,941.32, 553,576.86 and 179,297.64 is: 269,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,941.32 : 553,576.86 = 179,297.64 : x
  2. Step 2: Convert to fraction form
    368,941.32/553,576.86 = 179,297.64/x
  3. Step 3: Cross multiply
    368,941.32x = 553,576.86 × 179,297.64
  4. Step 4: Simplify right side
    368,941.32x = 99,255,024,556.61
  5. Step 5: Solve for x
    x = 99,255,024,556.61/368,941.32
  6. Step 6: Final answer
    x = 269,026.59

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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.