Finding the Fourth Proportional to 122,313.72, 183,293.50 and 84,323.99
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Solution
The fourth proportional to 122,313.72, 183,293.50 and 84,323.99 is: 126,363.91
Step by Step Solution
- Step 1: Write the proportion equation
122,313.72 : 183,293.50 = 84,323.99 : x - Step 2: Convert to fraction form
122,313.72/183,293.50 = 84,323.99/x - Step 3: Cross multiply
122,313.72x = 183,293.50 × 84,323.99 - Step 4: Simplify right side
122,313.72x = 15,456,039,261.07 - Step 5: Solve for x
x = 15,456,039,261.07/122,313.72 - Step 6: Final answer
x = 126,363.91
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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.