Home / 405,055.26-558,980.19-223,771.50

Finding the Fourth Proportional to 405,055.26, 558,980.19 and 223,771.50

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Solution

The fourth proportional to 405,055.26, 558,980.19 and 223,771.50 is: 308,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,055.26 : 558,980.19 = 223,771.50 : x
  2. Step 2: Convert to fraction form
    405,055.26/558,980.19 = 223,771.50/x
  3. Step 3: Cross multiply
    405,055.26x = 558,980.19 × 223,771.50
  4. Step 4: Simplify right side
    405,055.26x = 125,083,835,586.59
  5. Step 5: Solve for x
    x = 125,083,835,586.59/405,055.26
  6. Step 6: Final answer
    x = 308,806.84

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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.