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Finding the Fourth Proportional to 324,865, 448,290.93 and 188,889.30

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Solution

The fourth proportional to 324,865, 448,290.93 and 188,889.30 is: 260,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,865 : 448,290.93 = 188,889.30 : x
  2. Step 2: Convert to fraction form
    324,865/448,290.93 = 188,889.30/x
  3. Step 3: Cross multiply
    324,865x = 448,290.93 × 188,889.30
  4. Step 4: Simplify right side
    324,865x = 84,677,359,964.05
  5. Step 5: Solve for x
    x = 84,677,359,964.05/324,865
  6. Step 6: Final answer
    x = 260,653.99

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1.5x scale

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.