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Finding the Fourth Proportional to 201,622, 302,433 and 70,294

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Solution

The fourth proportional to 201,622, 302,433 and 70,294 is: 105,441

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,622 : 302,433 = 70,294 : x
  2. Step 2: Convert to fraction form
    201,622/302,433 = 70,294/x
  3. Step 3: Cross multiply
    201,622x = 302,433 × 70,294
  4. Step 4: Simplify right side
    201,622x = 21,259,225,302
  5. Step 5: Solve for x
    x = 21,259,225,302/201,622
  6. Step 6: Final answer
    x = 105,441

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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.