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Finding the Fourth Proportional to 329,590.08, 454,851.72 and 208,687.32

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Solution

The fourth proportional to 329,590.08, 454,851.72 and 208,687.32 is: 287,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,590.08 : 454,851.72 = 208,687.32 : x
  2. Step 2: Convert to fraction form
    329,590.08/454,851.72 = 208,687.32/x
  3. Step 3: Cross multiply
    329,590.08x = 454,851.72 × 208,687.32
  4. Step 4: Simplify right side
    329,590.08x = 94,921,786,444.19
  5. Step 5: Solve for x
    x = 94,921,786,444.19/329,590.08
  6. Step 6: Final answer
    x = 287,999.52

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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.