Home / 209,270.22-288,696.39-151,783.98

Finding the Fourth Proportional to 209,270.22, 288,696.39 and 151,783.98

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Solution

The fourth proportional to 209,270.22, 288,696.39 and 151,783.98 is: 209,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,270.22 : 288,696.39 = 151,783.98 : x
  2. Step 2: Convert to fraction form
    209,270.22/288,696.39 = 151,783.98/x
  3. Step 3: Cross multiply
    209,270.22x = 288,696.39 × 151,783.98
  4. Step 4: Simplify right side
    209,270.22x = 43,819,487,085.83
  5. Step 5: Solve for x
    x = 43,819,487,085.83/209,270.22
  6. Step 6: Final answer
    x = 209,391.89

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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.