Home / 395,048.13-545,162.33-213,756.06

Finding the Fourth Proportional to 395,048.13, 545,162.33 and 213,756.06

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Solution

The fourth proportional to 395,048.13, 545,162.33 and 213,756.06 is: 294,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,048.13 : 545,162.33 = 213,756.06 : x
  2. Step 2: Convert to fraction form
    395,048.13/545,162.33 = 213,756.06/x
  3. Step 3: Cross multiply
    395,048.13x = 545,162.33 × 213,756.06
  4. Step 4: Simplify right side
    395,048.13x = 116,531,751,721.22
  5. Step 5: Solve for x
    x = 116,531,751,721.22/395,048.13
  6. Step 6: Final answer
    x = 294,981.15

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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.