Finding the Fourth Proportional to 234,230.79, 323,238.42 and 126,800.75
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Solution
The fourth proportional to 234,230.79, 323,238.42 and 126,800.75 is: 174,984.99
Step by Step Solution
- Step 1: Write the proportion equation
234,230.79 : 323,238.42 = 126,800.75 : x - Step 2: Convert to fraction form
234,230.79/323,238.42 = 126,800.75/x - Step 3: Cross multiply
234,230.79x = 323,238.42 × 126,800.75 - Step 4: Simplify right side
234,230.79x = 40,986,872,468.62 - Step 5: Solve for x
x = 40,986,872,468.62/234,230.79 - Step 6: Final answer
x = 174,984.99
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1.5x scale
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.