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Finding the Fourth Proportional to 304,947.02, 420,826.92 and 170,811.02

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Solution

The fourth proportional to 304,947.02, 420,826.92 and 170,811.02 is: 235,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,947.02 : 420,826.92 = 170,811.02 : x
  2. Step 2: Convert to fraction form
    304,947.02/420,826.92 = 170,811.02/x
  3. Step 3: Cross multiply
    304,947.02x = 420,826.92 × 170,811.02
  4. Step 4: Simplify right side
    304,947.02x = 71,881,875,448.66
  5. Step 5: Solve for x
    x = 71,881,875,448.66/304,947.02
  6. Step 6: Final answer
    x = 235,719.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.