Home / 231,851.40-347,777.10-201,438.60

Finding the Fourth Proportional to 231,851.40, 347,777.10 and 201,438.60

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Solution

The fourth proportional to 231,851.40, 347,777.10 and 201,438.60 is: 302,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,851.40 : 347,777.10 = 201,438.60 : x
  2. Step 2: Convert to fraction form
    231,851.40/347,777.10 = 201,438.60/x
  3. Step 3: Cross multiply
    231,851.40x = 347,777.10 × 201,438.60
  4. Step 4: Simplify right side
    231,851.40x = 70,055,732,136.06
  5. Step 5: Solve for x
    x = 70,055,732,136.06/231,851.40
  6. Step 6: Final answer
    x = 302,157.90

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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.