Finding the Fourth Proportional to 374,121.01, 561,234.36 and 121,316.57
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Solution
The fourth proportional to 374,121.01, 561,234.36 and 121,316.57 is: 181,991.99
Step by Step Solution
- Step 1: Write the proportion equation
374,121.01 : 561,234.36 = 121,316.57 : x - Step 2: Convert to fraction form
374,121.01/561,234.36 = 121,316.57/x - Step 3: Cross multiply
374,121.01x = 561,234.36 × 121,316.57 - Step 4: Simplify right side
374,121.01x = 68,087,024,715.17 - Step 5: Solve for x
x = 68,087,024,715.17/374,121.01 - Step 6: Final answer
x = 181,991.99
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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.