Home / 430,734.44-646,171.63-146,450.36

Finding the Fourth Proportional to 430,734.44, 646,171.63 and 146,450.36

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Solution

The fourth proportional to 430,734.44, 646,171.63 and 146,450.36 is: 219,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,734.44 : 646,171.63 = 146,450.36 : x
  2. Step 2: Convert to fraction form
    430,734.44/646,171.63 = 146,450.36/x
  3. Step 3: Cross multiply
    430,734.44x = 646,171.63 × 146,450.36
  4. Step 4: Simplify right side
    430,734.44x = 94,632,069,084.59
  5. Step 5: Solve for x
    x = 94,632,069,084.59/430,734.44
  6. Step 6: Final answer
    x = 219,699.33

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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.