Finding the Fourth Proportional to 373,879.84, 560,788.08 and 121,154.96
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Solution
The fourth proportional to 373,879.84, 560,788.08 and 121,154.96 is: 181,722.17
Step by Step Solution
- Step 1: Write the proportion equation
373,879.84 : 560,788.08 = 121,154.96 : x - Step 2: Convert to fraction form
373,879.84/560,788.08 = 121,154.96/x - Step 3: Cross multiply
373,879.84x = 560,788.08 × 121,154.96 - Step 4: Simplify right side
373,879.84x = 67,942,257,400.88 - Step 5: Solve for x
x = 67,942,257,400.88/373,879.84 - Step 6: Final answer
x = 181,722.17
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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.