Home / 286,346.53-395,147.38-159,030.32

Finding the Fourth Proportional to 286,346.53, 395,147.38 and 159,030.32

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Solution

The fourth proportional to 286,346.53, 395,147.38 and 159,030.32 is: 219,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,346.53 : 395,147.38 = 159,030.32 : x
  2. Step 2: Convert to fraction form
    286,346.53/395,147.38 = 159,030.32/x
  3. Step 3: Cross multiply
    286,346.53x = 395,147.38 × 159,030.32
  4. Step 4: Simplify right side
    286,346.53x = 62,840,414,288.56
  5. Step 5: Solve for x
    x = 62,840,414,288.56/286,346.53
  6. Step 6: Final answer
    x = 219,455.83

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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.