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Finding the Fourth Proportional to 284,611.05, 427,408.65 and 151,750.80

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Solution

The fourth proportional to 284,611.05, 427,408.65 and 151,750.80 is: 227,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,611.05 : 427,408.65 = 151,750.80 : x
  2. Step 2: Convert to fraction form
    284,611.05/427,408.65 = 151,750.80/x
  3. Step 3: Cross multiply
    284,611.05x = 427,408.65 × 151,750.80
  4. Step 4: Simplify right side
    284,611.05x = 64,859,604,564.42
  5. Step 5: Solve for x
    x = 64,859,604,564.42/284,611.05
  6. Step 6: Final answer
    x = 227,888.57

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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.