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Finding the Fourth Proportional to 201,481.80, 302,441.40 and 157,304.40

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Solution

The fourth proportional to 201,481.80, 302,441.40 and 157,304.40 is: 236,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,481.80 : 302,441.40 = 157,304.40 : x
  2. Step 2: Convert to fraction form
    201,481.80/302,441.40 = 157,304.40/x
  3. Step 3: Cross multiply
    201,481.80x = 302,441.40 × 157,304.40
  4. Step 4: Simplify right side
    201,481.80x = 47,575,362,962.16
  5. Step 5: Solve for x
    x = 47,575,362,962.16/201,481.80
  6. Step 6: Final answer
    x = 236,127.35

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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.