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Finding the Fourth Proportional to 304,277.06, 419,870.03 and 168,289.40

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Solution

The fourth proportional to 304,277.06, 419,870.03 and 168,289.40 is: 232,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,277.06 : 419,870.03 = 168,289.40 : x
  2. Step 2: Convert to fraction form
    304,277.06/419,870.03 = 168,289.40/x
  3. Step 3: Cross multiply
    304,277.06x = 419,870.03 × 168,289.40
  4. Step 4: Simplify right side
    304,277.06x = 70,659,675,426.68
  5. Step 5: Solve for x
    x = 70,659,675,426.68/304,277.06
  6. Step 6: Final answer
    x = 232,221.50

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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.