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Finding the Fourth Proportional to 254,641.08, 381,339.54 and 219,804.60

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Solution

The fourth proportional to 254,641.08, 381,339.54 and 219,804.60 is: 329,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641.08 : 381,339.54 = 219,804.60 : x
  2. Step 2: Convert to fraction form
    254,641.08/381,339.54 = 219,804.60/x
  3. Step 3: Cross multiply
    254,641.08x = 381,339.54 × 219,804.60
  4. Step 4: Simplify right side
    254,641.08x = 83,820,185,053.88
  5. Step 5: Solve for x
    x = 83,820,185,053.88/254,641.08
  6. Step 6: Final answer
    x = 329,169.92

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1.5x scale

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.