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Finding the Fourth Proportional to 201,711.30, 302,566.95 and 61,476.90

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Solution

The fourth proportional to 201,711.30, 302,566.95 and 61,476.90 is: 92,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,711.30 : 302,566.95 = 61,476.90 : x
  2. Step 2: Convert to fraction form
    201,711.30/302,566.95 = 61,476.90/x
  3. Step 3: Cross multiply
    201,711.30x = 302,566.95 × 61,476.90
  4. Step 4: Simplify right side
    201,711.30x = 18,600,878,128.46
  5. Step 5: Solve for x
    x = 18,600,878,128.46/201,711.30
  6. Step 6: Final answer
    x = 92,215.35

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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.