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Finding the Fourth Proportional to 329,424.75, 454,654.92 and 208,577.28

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Solution

The fourth proportional to 329,424.75, 454,654.92 and 208,577.28 is: 287,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,424.75 : 454,654.92 = 208,577.28 : x
  2. Step 2: Convert to fraction form
    329,424.75/454,654.92 = 208,577.28/x
  3. Step 3: Cross multiply
    329,424.75x = 454,654.92 × 208,577.28
  4. Step 4: Simplify right side
    329,424.75x = 94,830,686,552.22
  5. Step 5: Solve for x
    x = 94,830,686,552.22/329,424.75
  6. Step 6: Final answer
    x = 287,867.52

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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.