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Finding the Fourth Proportional to 201,104.40, 301,397.40 and 154,124.40

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Solution

The fourth proportional to 201,104.40, 301,397.40 and 154,124.40 is: 230,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,104.40 : 301,397.40 = 154,124.40 : x
  2. Step 2: Convert to fraction form
    201,104.40/301,397.40 = 154,124.40/x
  3. Step 3: Cross multiply
    201,104.40x = 301,397.40 × 154,124.40
  4. Step 4: Simplify right side
    201,104.40x = 46,452,693,436.56
  5. Step 5: Solve for x
    x = 46,452,693,436.56/201,104.40
  6. Step 6: Final answer
    x = 230,987.95

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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.