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Finding the Fourth Proportional to 201,288.40, 301,673.40 and 95,880.40

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Solution

The fourth proportional to 201,288.40, 301,673.40 and 95,880.40 is: 143,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,288.40 : 301,673.40 = 95,880.40 : x
  2. Step 2: Convert to fraction form
    201,288.40/301,673.40 = 95,880.40/x
  3. Step 3: Cross multiply
    201,288.40x = 301,673.40 × 95,880.40
  4. Step 4: Simplify right side
    201,288.40x = 28,924,566,261.36
  5. Step 5: Solve for x
    x = 28,924,566,261.36/201,288.40
  6. Step 6: Final answer
    x = 143,697.13

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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.