Finding the Fourth Proportional to 358,220.58, 494,465.80 and 222,334.08
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Solution
The fourth proportional to 358,220.58, 494,465.80 and 222,334.08 is: 306,896.38
Step by Step Solution
- Step 1: Write the proportion equation
358,220.58 : 494,465.80 = 222,334.08 : x - Step 2: Convert to fraction form
358,220.58/494,465.80 = 222,334.08/x - Step 3: Cross multiply
358,220.58x = 494,465.80 × 222,334.08 - Step 4: Simplify right side
358,220.58x = 109,936,598,734.46 - Step 5: Solve for x
x = 109,936,598,734.46/358,220.58 - Step 6: Final answer
x = 306,896.38
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1.5x scale
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.