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Finding the Fourth Proportional to 329,773.16, 455,514.08 and 243,906.68

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Solution

The fourth proportional to 329,773.16, 455,514.08 and 243,906.68 is: 336,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,773.16 : 455,514.08 = 243,906.68 : x
  2. Step 2: Convert to fraction form
    329,773.16/455,514.08 = 243,906.68/x
  3. Step 3: Cross multiply
    329,773.16x = 455,514.08 × 243,906.68
  4. Step 4: Simplify right side
    329,773.16x = 111,102,923,448.95
  5. Step 5: Solve for x
    x = 111,102,923,448.95/329,773.16
  6. Step 6: Final answer
    x = 336,907.12

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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.