Finding the Fourth Proportional to 255,972.88, 353,252.28 and 142,817.68
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Solution
The fourth proportional to 255,972.88, 353,252.28 and 142,817.68 is: 197,093.81
Step by Step Solution
- Step 1: Write the proportion equation
255,972.88 : 353,252.28 = 142,817.68 : x - Step 2: Convert to fraction form
255,972.88/353,252.28 = 142,817.68/x - Step 3: Cross multiply
255,972.88x = 353,252.28 × 142,817.68 - Step 4: Simplify right side
255,972.88x = 50,450,671,084.31 - Step 5: Solve for x
x = 50,450,671,084.31/255,972.88 - Step 6: Final answer
x = 197,093.81
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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.