Finding the Fourth Proportional to 312,018.01, 468,085.47 and 125,044.09
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Solution
The fourth proportional to 312,018.01, 468,085.47 and 125,044.09 is: 187,589.56
Step by Step Solution
- Step 1: Write the proportion equation
312,018.01 : 468,085.47 = 125,044.09 : x - Step 2: Convert to fraction form
312,018.01/468,085.47 = 125,044.09/x - Step 3: Cross multiply
312,018.01x = 468,085.47 × 125,044.09 - Step 4: Simplify right side
312,018.01x = 58,531,321,638.37 - Step 5: Solve for x
x = 58,531,321,638.37/312,018.01 - Step 6: Final answer
x = 187,589.56
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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.