Home / 395,328.14-545,550.34-214,039.51

Finding the Fourth Proportional to 395,328.14, 545,550.34 and 214,039.51

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Solution

The fourth proportional to 395,328.14, 545,550.34 and 214,039.51 is: 295,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,328.14 : 545,550.34 = 214,039.51 : x
  2. Step 2: Convert to fraction form
    395,328.14/545,550.34 = 214,039.51/x
  3. Step 3: Cross multiply
    395,328.14x = 545,550.34 × 214,039.51
  4. Step 4: Simplify right side
    395,328.14x = 116,769,329,025.00
  5. Step 5: Solve for x
    x = 116,769,329,025.00/395,328.14
  6. Step 6: Final answer
    x = 295,373.17

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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.