Home / 414,210.79-621,446.68-147,965.41

Finding the Fourth Proportional to 414,210.79, 621,446.68 and 147,965.41

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Solution

The fourth proportional to 414,210.79, 621,446.68 and 147,965.41 is: 221,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,210.79 : 621,446.68 = 147,965.41 : x
  2. Step 2: Convert to fraction form
    414,210.79/621,446.68 = 147,965.41/x
  3. Step 3: Cross multiply
    414,210.79x = 621,446.68 × 147,965.41
  4. Step 4: Simplify right side
    414,210.79x = 91,952,612,799.34
  5. Step 5: Solve for x
    x = 91,952,612,799.34/414,210.79
  6. Step 6: Final answer
    x = 221,994.73

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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.