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Finding the Fourth Proportional to 254,683.82, 381,500.78 and 149,182.94

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Solution

The fourth proportional to 254,683.82, 381,500.78 and 149,182.94 is: 223,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,683.82 : 381,500.78 = 149,182.94 : x
  2. Step 2: Convert to fraction form
    254,683.82/381,500.78 = 149,182.94/x
  3. Step 3: Cross multiply
    254,683.82x = 381,500.78 × 149,182.94
  4. Step 4: Simplify right side
    254,683.82x = 56,913,406,438.15
  5. Step 5: Solve for x
    x = 56,913,406,438.15/254,683.82
  6. Step 6: Final answer
    x = 223,466.91

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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.