Finding the Fourth Proportional to 155,103.34, 232,770.81 and 115,214.43
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Solution
The fourth proportional to 155,103.34, 232,770.81 and 115,214.43 is: 172,907.66
Step by Step Solution
- Step 1: Write the proportion equation
155,103.34 : 232,770.81 = 115,214.43 : x - Step 2: Convert to fraction form
155,103.34/232,770.81 = 115,214.43/x - Step 3: Cross multiply
155,103.34x = 232,770.81 × 115,214.43 - Step 4: Simplify right side
155,103.34x = 26,818,556,194.79 - Step 5: Solve for x
x = 26,818,556,194.79/155,103.34 - Step 6: Final answer
x = 172,907.66
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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.