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Finding the Fourth Proportional to 203,277.65, 304,964.93 and 70,159.07

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Solution

The fourth proportional to 203,277.65, 304,964.93 and 70,159.07 is: 105,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,277.65 : 304,964.93 = 70,159.07 : x
  2. Step 2: Convert to fraction form
    203,277.65/304,964.93 = 70,159.07/x
  3. Step 3: Cross multiply
    203,277.65x = 304,964.93 × 70,159.07
  4. Step 4: Simplify right side
    203,277.65x = 21,396,055,871.42
  5. Step 5: Solve for x
    x = 21,396,055,871.42/203,277.65
  6. Step 6: Final answer
    x = 105,255.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.