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Finding the Fourth Proportional to 251,324, 346,827.84 and 143,895.68

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Solution

The fourth proportional to 251,324, 346,827.84 and 143,895.68 is: 198,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,324 : 346,827.84 = 143,895.68 : x
  2. Step 2: Convert to fraction form
    251,324/346,827.84 = 143,895.68/x
  3. Step 3: Cross multiply
    251,324x = 346,827.84 × 143,895.68
  4. Step 4: Simplify right side
    251,324x = 49,907,027,879.73
  5. Step 5: Solve for x
    x = 49,907,027,879.73/251,324
  6. Step 6: Final answer
    x = 198,576.45

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1.5x scale

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.