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Finding the Fourth Proportional to 291,843.52, 402,806.68 and 184,345.18

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Solution

The fourth proportional to 291,843.52, 402,806.68 and 184,345.18 is: 254,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,843.52 : 402,806.68 = 184,345.18 : x
  2. Step 2: Convert to fraction form
    291,843.52/402,806.68 = 184,345.18/x
  3. Step 3: Cross multiply
    291,843.52x = 402,806.68 × 184,345.18
  4. Step 4: Simplify right side
    291,843.52x = 74,255,469,929.80
  5. Step 5: Solve for x
    x = 74,255,469,929.80/291,843.52
  6. Step 6: Final answer
    x = 254,435.90

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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.