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Finding the Fourth Proportional to 341,804.94, 512,370.45 and 120,033.42

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Solution

The fourth proportional to 341,804.94, 512,370.45 and 120,033.42 is: 179,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,804.94 : 512,370.45 = 120,033.42 : x
  2. Step 2: Convert to fraction form
    341,804.94/512,370.45 = 120,033.42/x
  3. Step 3: Cross multiply
    341,804.94x = 512,370.45 × 120,033.42
  4. Step 4: Simplify right side
    341,804.94x = 61,501,577,420.44
  5. Step 5: Solve for x
    x = 61,501,577,420.44/341,804.94
  6. Step 6: Final answer
    x = 179,931.80

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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.