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Finding the Fourth Proportional to 271,975.42, 375,324.87 and 151,136.38

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Solution

The fourth proportional to 271,975.42, 375,324.87 and 151,136.38 is: 208,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,975.42 : 375,324.87 = 151,136.38 : x
  2. Step 2: Convert to fraction form
    271,975.42/375,324.87 = 151,136.38/x
  3. Step 3: Cross multiply
    271,975.42x = 375,324.87 × 151,136.38
  4. Step 4: Simplify right side
    271,975.42x = 56,725,242,175.77
  5. Step 5: Solve for x
    x = 56,725,242,175.77/271,975.42
  6. Step 6: Final answer
    x = 208,567.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.