Finding the Fourth Proportional to 374,069.61, 561,183.17 and 121,330.32
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Solution
The fourth proportional to 374,069.61, 561,183.17 and 121,330.32 is: 182,021.02
Step by Step Solution
- Step 1: Write the proportion equation
374,069.61 : 561,183.17 = 121,330.32 : x - Step 2: Convert to fraction form
374,069.61/561,183.17 = 121,330.32/x - Step 3: Cross multiply
374,069.61x = 561,183.17 × 121,330.32 - Step 4: Simplify right side
374,069.61x = 68,088,532,867.14 - Step 5: Solve for x
x = 68,088,532,867.14/374,069.61 - Step 6: Final answer
x = 182,021.02
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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.