Home / 366,147.81-505,260-205,001.37

Finding the Fourth Proportional to 366,147.81, 505,260 and 205,001.37

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Solution

The fourth proportional to 366,147.81, 505,260 and 205,001.37 is: 282,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,147.81 : 505,260 = 205,001.37 : x
  2. Step 2: Convert to fraction form
    366,147.81/505,260 = 205,001.37/x
  3. Step 3: Cross multiply
    366,147.81x = 505,260 × 205,001.37
  4. Step 4: Simplify right side
    366,147.81x = 103,578,992,206.20
  5. Step 5: Solve for x
    x = 103,578,992,206.20/366,147.81
  6. Step 6: Final answer
    x = 282,888.47

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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.