Finding the Fourth Proportional to 383,849.99, 529,541.70 and 222,611.66
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Solution
The fourth proportional to 383,849.99, 529,541.70 and 222,611.66 is: 307,104.75
Step by Step Solution
- Step 1: Write the proportion equation
383,849.99 : 529,541.70 = 222,611.66 : x - Step 2: Convert to fraction form
383,849.99/529,541.70 = 222,611.66/x - Step 3: Cross multiply
383,849.99x = 529,541.70 × 222,611.66 - Step 4: Simplify right side
383,849.99x = 117,882,154,228.51 - Step 5: Solve for x
x = 117,882,154,228.51/383,849.99 - Step 6: Final answer
x = 307,104.75
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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.