Finding the Fourth Proportional to 309,902.54, 465,102.94 and 160,186.74
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Solution
The fourth proportional to 309,902.54, 465,102.94 and 160,186.74 is: 240,408.88
Step by Step Solution
- Step 1: Write the proportion equation
309,902.54 : 465,102.94 = 160,186.74 : x - Step 2: Convert to fraction form
309,902.54/465,102.94 = 160,186.74/x - Step 3: Cross multiply
309,902.54x = 465,102.94 × 160,186.74 - Step 4: Simplify right side
309,902.54x = 74,503,323,723.02 - Step 5: Solve for x
x = 74,503,323,723.02/309,902.54 - Step 6: Final answer
x = 240,408.88
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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.