Finding the Fourth Proportional to 212,796.60, 319,257.36 and 63,040.80
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Solution
The fourth proportional to 212,796.60, 319,257.36 and 63,040.80 is: 94,579.70
Step by Step Solution
- Step 1: Write the proportion equation
212,796.60 : 319,257.36 = 63,040.80 : x - Step 2: Convert to fraction form
212,796.60/319,257.36 = 63,040.80/x - Step 3: Cross multiply
212,796.60x = 319,257.36 × 63,040.80 - Step 4: Simplify right side
212,796.60x = 20,126,239,380.29 - Step 5: Solve for x
x = 20,126,239,380.29/212,796.60 - Step 6: Final answer
x = 94,579.70
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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.