Finding the Fourth Proportional to 313,695.93, 432,902.97 and 170,455.97
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Solution
The fourth proportional to 313,695.93, 432,902.97 and 170,455.97 is: 235,230.65
Step by Step Solution
- Step 1: Write the proportion equation
313,695.93 : 432,902.97 = 170,455.97 : x - Step 2: Convert to fraction form
313,695.93/432,902.97 = 170,455.97/x - Step 3: Cross multiply
313,695.93x = 432,902.97 × 170,455.97 - Step 4: Simplify right side
313,695.93x = 73,790,895,667.23 - Step 5: Solve for x
x = 73,790,895,667.23/313,695.93 - Step 6: Final answer
x = 235,230.65
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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.