Home / 286,466.02-395,347.64-159,149.81

Finding the Fourth Proportional to 286,466.02, 395,347.64 and 159,149.81

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Solution

The fourth proportional to 286,466.02, 395,347.64 and 159,149.81 is: 219,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,466.02 : 395,347.64 = 159,149.81 : x
  2. Step 2: Convert to fraction form
    286,466.02/395,347.64 = 159,149.81/x
  3. Step 3: Cross multiply
    286,466.02x = 395,347.64 × 159,149.81
  4. Step 4: Simplify right side
    286,466.02x = 62,919,501,982.57
  5. Step 5: Solve for x
    x = 62,919,501,982.57/286,466.02
  6. Step 6: Final answer
    x = 219,640.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.