Home / 329,827.10-455,153-184,634.60

Finding the Fourth Proportional to 329,827.10, 455,153 and 184,634.60

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Solution

The fourth proportional to 329,827.10, 455,153 and 184,634.60 is: 254,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,827.10 : 455,153 = 184,634.60 : x
  2. Step 2: Convert to fraction form
    329,827.10/455,153 = 184,634.60/x
  3. Step 3: Cross multiply
    329,827.10x = 455,153 × 184,634.60
  4. Step 4: Simplify right side
    329,827.10x = 84,036,992,093.80
  5. Step 5: Solve for x
    x = 84,036,992,093.80/329,827.10
  6. Step 6: Final answer
    x = 254,791.05

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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.