Finding the Fourth Proportional to 212,922.88, 293,844.80 and 149,237.44
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Solution
The fourth proportional to 212,922.88, 293,844.80 and 149,237.44 is: 205,955.54
Step by Step Solution
- Step 1: Write the proportion equation
212,922.88 : 293,844.80 = 149,237.44 : x - Step 2: Convert to fraction form
212,922.88/293,844.80 = 149,237.44/x - Step 3: Cross multiply
212,922.88x = 293,844.80 × 149,237.44 - Step 4: Simplify right side
212,922.88x = 43,852,645,709.31 - Step 5: Solve for x
x = 43,852,645,709.31/212,922.88 - Step 6: Final answer
x = 205,955.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.