Finding the Fourth Proportional to 233,971.09, 322,880.11 and 126,541.12
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Solution
The fourth proportional to 233,971.09, 322,880.11 and 126,541.12 is: 174,626.75
Step by Step Solution
- Step 1: Write the proportion equation
233,971.09 : 322,880.11 = 126,541.12 : x - Step 2: Convert to fraction form
233,971.09/322,880.11 = 126,541.12/x - Step 3: Cross multiply
233,971.09x = 322,880.11 × 126,541.12 - Step 4: Simplify right side
233,971.09x = 40,857,610,919.62 - Step 5: Solve for x
x = 40,857,610,919.62/233,971.09 - Step 6: Final answer
x = 174,626.75
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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.