Home / 543,344.58-815,137.82-178,622.67

Finding the Fourth Proportional to 543,344.58, 815,137.82 and 178,622.67

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Solution

The fourth proportional to 543,344.58, 815,137.82 and 178,622.67 is: 267,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,344.58 : 815,137.82 = 178,622.67 : x
  2. Step 2: Convert to fraction form
    543,344.58/815,137.82 = 178,622.67/x
  3. Step 3: Cross multiply
    543,344.58x = 815,137.82 × 178,622.67
  4. Step 4: Simplify right side
    543,344.58x = 145,602,093,826.38
  5. Step 5: Solve for x
    x = 145,602,093,826.38/543,344.58
  6. Step 6: Final answer
    x = 267,973.77

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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.