Finding the Fourth Proportional to 285,032.32, 393,173.24 and 188,237.07
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Solution
The fourth proportional to 285,032.32, 393,173.24 and 188,237.07 is: 259,653.99
Step by Step Solution
- Step 1: Write the proportion equation
285,032.32 : 393,173.24 = 188,237.07 : x - Step 2: Convert to fraction form
285,032.32/393,173.24 = 188,237.07/x - Step 3: Cross multiply
285,032.32x = 393,173.24 × 188,237.07 - Step 4: Simplify right side
285,032.32x = 74,009,777,758.82 - Step 5: Solve for x
x = 74,009,777,758.82/285,032.32 - Step 6: Final answer
x = 259,653.99
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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.