Finding the Fourth Proportional to 189,984.97, 285,055.95 and 83,313.73
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Solution
The fourth proportional to 189,984.97, 285,055.95 and 83,313.73 is: 125,005.02
Step by Step Solution
- Step 1: Write the proportion equation
189,984.97 : 285,055.95 = 83,313.73 : x - Step 2: Convert to fraction form
189,984.97/285,055.95 = 83,313.73/x - Step 3: Cross multiply
189,984.97x = 285,055.95 × 83,313.73 - Step 4: Simplify right side
189,984.97x = 23,749,074,453.19 - Step 5: Solve for x
x = 23,749,074,453.19/189,984.97 - Step 6: Final answer
x = 125,005.02
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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.