Finding the Fourth Proportional to 212,427.56, 318,610.58 and 62,660.44
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Solution
The fourth proportional to 212,427.56, 318,610.58 and 62,660.44 is: 93,981.59
Step by Step Solution
- Step 1: Write the proportion equation
212,427.56 : 318,610.58 = 62,660.44 : x - Step 2: Convert to fraction form
212,427.56/318,610.58 = 62,660.44/x - Step 3: Cross multiply
212,427.56x = 318,610.58 × 62,660.44 - Step 4: Simplify right side
212,427.56x = 19,964,279,131.46 - Step 5: Solve for x
x = 19,964,279,131.46/212,427.56 - Step 6: Final answer
x = 93,981.59
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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.