Home / 430,928.37-646,176.20-251,072.01

Finding the Fourth Proportional to 430,928.37, 646,176.20 and 251,072.01

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Solution

The fourth proportional to 430,928.37, 646,176.20 and 251,072.01 is: 376,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,928.37 : 646,176.20 = 251,072.01 : x
  2. Step 2: Convert to fraction form
    430,928.37/646,176.20 = 251,072.01/x
  3. Step 3: Cross multiply
    430,928.37x = 646,176.20 × 251,072.01
  4. Step 4: Simplify right side
    430,928.37x = 162,236,756,092.80
  5. Step 5: Solve for x
    x = 162,236,756,092.80/430,928.37
  6. Step 6: Final answer
    x = 376,481.96

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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.