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Finding the Fourth Proportional to 281,667.95, 388,683.37 and 179,682.46

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Solution

The fourth proportional to 281,667.95, 388,683.37 and 179,682.46 is: 247,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,667.95 : 388,683.37 = 179,682.46 : x
  2. Step 2: Convert to fraction form
    281,667.95/388,683.37 = 179,682.46/x
  3. Step 3: Cross multiply
    281,667.95x = 388,683.37 × 179,682.46
  4. Step 4: Simplify right side
    281,667.95x = 69,839,584,855.55
  5. Step 5: Solve for x
    x = 69,839,584,855.55/281,667.95
  6. Step 6: Final answer
    x = 247,950.06

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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.