Finding the Fourth Proportional to 383,414.04, 529,062.30 and 222,246.84
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Solution
The fourth proportional to 383,414.04, 529,062.30 and 222,246.84 is: 306,672.19
Step by Step Solution
- Step 1: Write the proportion equation
383,414.04 : 529,062.30 = 222,246.84 : x - Step 2: Convert to fraction form
383,414.04/529,062.30 = 222,246.84/x - Step 3: Cross multiply
383,414.04x = 529,062.30 × 222,246.84 - Step 4: Simplify right side
383,414.04x = 117,582,424,338.13 - Step 5: Solve for x
x = 117,582,424,338.13/383,414.04 - Step 6: Final answer
x = 306,672.19
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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.