Finding the Fourth Proportional to 212,955.01, 319,494.11 and 68,857.76
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Solution
The fourth proportional to 212,955.01, 319,494.11 and 68,857.76 is: 103,306.56
Step by Step Solution
- Step 1: Write the proportion equation
212,955.01 : 319,494.11 = 68,857.76 : x - Step 2: Convert to fraction form
212,955.01/319,494.11 = 68,857.76/x - Step 3: Cross multiply
212,955.01x = 319,494.11 × 68,857.76 - Step 4: Simplify right side
212,955.01x = 21,999,649,202.24 - Step 5: Solve for x
x = 21,999,649,202.24/212,955.01 - Step 6: Final answer
x = 103,306.56
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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.