Home / 397,890.36-596,999.70-161,172.72

Finding the Fourth Proportional to 397,890.36, 596,999.70 and 161,172.72

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Solution

The fourth proportional to 397,890.36, 596,999.70 and 161,172.72 is: 241,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,890.36 : 596,999.70 = 161,172.72 : x
  2. Step 2: Convert to fraction form
    397,890.36/596,999.70 = 161,172.72/x
  3. Step 3: Cross multiply
    397,890.36x = 596,999.70 × 161,172.72
  4. Step 4: Simplify right side
    397,890.36x = 96,220,065,488.18
  5. Step 5: Solve for x
    x = 96,220,065,488.18/397,890.36
  6. Step 6: Final answer
    x = 241,825.58

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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.