Finding the Fourth Proportional to 233,093.42, 321,664.74 and 136,306.52
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Solution
The fourth proportional to 233,093.42, 321,664.74 and 136,306.52 is: 188,100.55
Step by Step Solution
- Step 1: Write the proportion equation
233,093.42 : 321,664.74 = 136,306.52 : x - Step 2: Convert to fraction form
233,093.42/321,664.74 = 136,306.52/x - Step 3: Cross multiply
233,093.42x = 321,664.74 × 136,306.52 - Step 4: Simplify right side
233,093.42x = 43,845,001,316.10 - Step 5: Solve for x
x = 43,845,001,316.10/233,093.42 - Step 6: Final answer
x = 188,100.55
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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.