Home / 286,346.86-395,147.83-159,030.65

Finding the Fourth Proportional to 286,346.86, 395,147.83 and 159,030.65

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Solution

The fourth proportional to 286,346.86, 395,147.83 and 159,030.65 is: 219,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,346.86 : 395,147.83 = 159,030.65 : x
  2. Step 2: Convert to fraction form
    286,346.86/395,147.83 = 159,030.65/x
  3. Step 3: Cross multiply
    286,346.86x = 395,147.83 × 159,030.65
  4. Step 4: Simplify right side
    286,346.86x = 62,840,616,250.99
  5. Step 5: Solve for x
    x = 62,840,616,250.99/286,346.86
  6. Step 6: Final answer
    x = 219,456.28

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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.