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Finding the Fourth Proportional to 329,573.79, 454,484.30 and 248,097.11

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Solution

The fourth proportional to 329,573.79, 454,484.30 and 248,097.11 is: 342,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,573.79 : 454,484.30 = 248,097.11 : x
  2. Step 2: Convert to fraction form
    329,573.79/454,484.30 = 248,097.11/x
  3. Step 3: Cross multiply
    329,573.79x = 454,484.30 × 248,097.11
  4. Step 4: Simplify right side
    329,573.79x = 112,756,237,857.47
  5. Step 5: Solve for x
    x = 112,756,237,857.47/329,573.79
  6. Step 6: Final answer
    x = 342,127.44

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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.