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Finding the Fourth Proportional to 201,926.60, 302,865.60 and 83,585.60

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Solution

The fourth proportional to 201,926.60, 302,865.60 and 83,585.60 is: 125,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,926.60 : 302,865.60 = 83,585.60 : x
  2. Step 2: Convert to fraction form
    201,926.60/302,865.60 = 83,585.60/x
  3. Step 3: Cross multiply
    201,926.60x = 302,865.60 × 83,585.60
  4. Step 4: Simplify right side
    201,926.60x = 25,315,202,895.36
  5. Step 5: Solve for x
    x = 25,315,202,895.36/201,926.60
  6. Step 6: Final answer
    x = 125,368.34

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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.