Finding the Fourth Proportional to 421,924.19, 582,256.08 and 230,949.68
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Solution
The fourth proportional to 421,924.19, 582,256.08 and 230,949.68 is: 318,710.94
Step by Step Solution
- Step 1: Write the proportion equation
421,924.19 : 582,256.08 = 230,949.68 : x - Step 2: Convert to fraction form
421,924.19/582,256.08 = 230,949.68/x - Step 3: Cross multiply
421,924.19x = 582,256.08 × 230,949.68 - Step 4: Simplify right side
421,924.19x = 134,471,852,442.77 - Step 5: Solve for x
x = 134,471,852,442.77/421,924.19 - Step 6: Final answer
x = 318,710.94
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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.