Finding the Fourth Proportional to 212,437.24, 318,852.96 and 107,330.02
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Solution
The fourth proportional to 212,437.24, 318,852.96 and 107,330.02 is: 161,094.61
Step by Step Solution
- Step 1: Write the proportion equation
212,437.24 : 318,852.96 = 107,330.02 : x - Step 2: Convert to fraction form
212,437.24/318,852.96 = 107,330.02/x - Step 3: Cross multiply
212,437.24x = 318,852.96 × 107,330.02 - Step 4: Simplify right side
212,437.24x = 34,222,494,573.86 - Step 5: Solve for x
x = 34,222,494,573.86/212,437.24 - Step 6: Final answer
x = 161,094.61
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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.