Finding the Fourth Proportional to 173,600.12, 239,593.68 and 109,943.84
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Solution
The fourth proportional to 173,600.12, 239,593.68 and 109,943.84 is: 151,738.66
Step by Step Solution
- Step 1: Write the proportion equation
173,600.12 : 239,593.68 = 109,943.84 : x - Step 2: Convert to fraction form
173,600.12/239,593.68 = 109,943.84/x - Step 3: Cross multiply
173,600.12x = 239,593.68 × 109,943.84 - Step 4: Simplify right side
173,600.12x = 26,341,849,218.93 - Step 5: Solve for x
x = 26,341,849,218.93/173,600.12 - Step 6: Final answer
x = 151,738.66
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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.