Finding the Fourth Proportional to 197,349.09, 272,334.42 and 112,449.75
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Solution
The fourth proportional to 197,349.09, 272,334.42 and 112,449.75 is: 155,176.48
Step by Step Solution
- Step 1: Write the proportion equation
197,349.09 : 272,334.42 = 112,449.75 : x - Step 2: Convert to fraction form
197,349.09/272,334.42 = 112,449.75/x - Step 3: Cross multiply
197,349.09x = 272,334.42 × 112,449.75 - Step 4: Simplify right side
197,349.09x = 30,623,937,445.40 - Step 5: Solve for x
x = 30,623,937,445.40/197,349.09 - Step 6: Final answer
x = 155,176.48
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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.