Finding the Fourth Proportional to 72,214.09, 108,323.97 and 22,289.74
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Solution
The fourth proportional to 72,214.09, 108,323.97 and 22,289.74 is: 33,435.49
Step by Step Solution
- Step 1: Write the proportion equation
72,214.09 : 108,323.97 = 22,289.74 : x - Step 2: Convert to fraction form
72,214.09/108,323.97 = 22,289.74/x - Step 3: Cross multiply
72,214.09x = 108,323.97 × 22,289.74 - Step 4: Simplify right side
72,214.09x = 2,414,513,127.07 - Step 5: Solve for x
x = 2,414,513,127.07/72,214.09 - Step 6: Final answer
x = 33,435.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.