Finding the Fourth Proportional to 234,353.79, 323,428.14 and 132,397.96
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Solution
The fourth proportional to 234,353.79, 323,428.14 and 132,397.96 is: 182,720.43
Step by Step Solution
- Step 1: Write the proportion equation
234,353.79 : 323,428.14 = 132,397.96 : x - Step 2: Convert to fraction form
234,353.79/323,428.14 = 132,397.96/x - Step 3: Cross multiply
234,353.79x = 323,428.14 × 132,397.96 - Step 4: Simplify right side
234,353.79x = 42,821,225,942.59 - Step 5: Solve for x
x = 42,821,225,942.59/234,353.79 - Step 6: Final answer
x = 182,720.43
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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.