Finding the Fourth Proportional to 282,076.06, 423,115.08 and 71,714.02
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Solution
The fourth proportional to 282,076.06, 423,115.08 and 71,714.02 is: 107,571.28
Step by Step Solution
- Step 1: Write the proportion equation
282,076.06 : 423,115.08 = 71,714.02 : x - Step 2: Convert to fraction form
282,076.06/423,115.08 = 71,714.02/x - Step 3: Cross multiply
282,076.06x = 423,115.08 × 71,714.02 - Step 4: Simplify right side
282,076.06x = 30,343,283,309.42 - Step 5: Solve for x
x = 30,343,283,309.42/282,076.06 - Step 6: Final answer
x = 107,571.28
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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.