Home / 251,731.05-377,506.63-83,220.27

Finding the Fourth Proportional to 251,731.05, 377,506.63 and 83,220.27

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Solution

The fourth proportional to 251,731.05, 377,506.63 and 83,220.27 is: 124,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,731.05 : 377,506.63 = 83,220.27 : x
  2. Step 2: Convert to fraction form
    251,731.05/377,506.63 = 83,220.27/x
  3. Step 3: Cross multiply
    251,731.05x = 377,506.63 × 83,220.27
  4. Step 4: Simplify right side
    251,731.05x = 31,416,203,675.39
  5. Step 5: Solve for x
    x = 31,416,203,675.39/251,731.05
  6. Step 6: Final answer
    x = 124,800.67

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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.