Home / 385,474.57-531,946.47-211,044.41

Finding the Fourth Proportional to 385,474.57, 531,946.47 and 211,044.41

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Solution

The fourth proportional to 385,474.57, 531,946.47 and 211,044.41 is: 291,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,474.57 : 531,946.47 = 211,044.41 : x
  2. Step 2: Convert to fraction form
    385,474.57/531,946.47 = 211,044.41/x
  3. Step 3: Cross multiply
    385,474.57x = 531,946.47 × 211,044.41
  4. Step 4: Simplify right side
    385,474.57x = 112,264,328,912.73
  5. Step 5: Solve for x
    x = 112,264,328,912.73/385,474.57
  6. Step 6: Final answer
    x = 291,236.67

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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.