Finding the Fourth Proportional to 255,634.79, 383,454.62 and 68,646.29
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Solution
The fourth proportional to 255,634.79, 383,454.62 and 68,646.29 is: 102,970.09
Step by Step Solution
- Step 1: Write the proportion equation
255,634.79 : 383,454.62 = 68,646.29 : x - Step 2: Convert to fraction form
255,634.79/383,454.62 = 68,646.29/x - Step 3: Cross multiply
255,634.79x = 383,454.62 × 68,646.29 - Step 4: Simplify right side
255,634.79x = 26,322,737,046.36 - Step 5: Solve for x
x = 26,322,737,046.36/255,634.79 - Step 6: Final answer
x = 102,970.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.