Finding the Fourth Proportional to 231,956.16, 347,986.08 and 74,194.08
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Solution
The fourth proportional to 231,956.16, 347,986.08 and 74,194.08 is: 111,307.70
Step by Step Solution
- Step 1: Write the proportion equation
231,956.16 : 347,986.08 = 74,194.08 : x - Step 2: Convert to fraction form
231,956.16/347,986.08 = 74,194.08/x - Step 3: Cross multiply
231,956.16x = 347,986.08 × 74,194.08 - Step 4: Simplify right side
231,956.16x = 25,818,507,058.41 - Step 5: Solve for x
x = 25,818,507,058.41/231,956.16 - Step 6: Final answer
x = 111,307.70
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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.