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Finding the Fourth Proportional to 201,090.94, 301,065.21 and 153,650.62

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Solution

The fourth proportional to 201,090.94, 301,065.21 and 153,650.62 is: 230,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,090.94 : 301,065.21 = 153,650.62 : x
  2. Step 2: Convert to fraction form
    201,090.94/301,065.21 = 153,650.62/x
  3. Step 3: Cross multiply
    201,090.94x = 301,065.21 × 153,650.62
  4. Step 4: Simplify right side
    201,090.94x = 46,258,856,176.93
  5. Step 5: Solve for x
    x = 46,258,856,176.93/201,090.94
  6. Step 6: Final answer
    x = 230,039.48

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1.5x scale

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.