Home / 301,619.82-452,429.46-76,980.24

Finding the Fourth Proportional to 301,619.82, 452,429.46 and 76,980.24

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Solution

The fourth proportional to 301,619.82, 452,429.46 and 76,980.24 is: 115,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,619.82 : 452,429.46 = 76,980.24 : x
  2. Step 2: Convert to fraction form
    301,619.82/452,429.46 = 76,980.24/x
  3. Step 3: Cross multiply
    301,619.82x = 452,429.46 × 76,980.24
  4. Step 4: Simplify right side
    301,619.82x = 34,828,128,413.87
  5. Step 5: Solve for x
    x = 34,828,128,413.87/301,619.82
  6. Step 6: Final answer
    x = 115,470.29

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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.