Home / 304,935.66-420,804.93-168,968.43

Finding the Fourth Proportional to 304,935.66, 420,804.93 and 168,968.43

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Solution

The fourth proportional to 304,935.66, 420,804.93 and 168,968.43 is: 233,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,935.66 : 420,804.93 = 168,968.43 : x
  2. Step 2: Convert to fraction form
    304,935.66/420,804.93 = 168,968.43/x
  3. Step 3: Cross multiply
    304,935.66x = 420,804.93 × 168,968.43
  4. Step 4: Simplify right side
    304,935.66x = 71,102,748,358.36
  5. Step 5: Solve for x
    x = 71,102,748,358.36/304,935.66
  6. Step 6: Final answer
    x = 233,172.95

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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.