Finding the Fourth Proportional to 313,609.73, 432,781.94 and 170,369.88
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Solution
The fourth proportional to 313,609.73, 432,781.94 and 170,369.88 is: 235,110.72
Step by Step Solution
- Step 1: Write the proportion equation
313,609.73 : 432,781.94 = 170,369.88 : x - Step 2: Convert to fraction form
313,609.73/432,781.94 = 170,369.88/x - Step 3: Cross multiply
313,609.73x = 432,781.94 × 170,369.88 - Step 4: Simplify right side
313,609.73x = 73,733,007,463.03 - Step 5: Solve for x
x = 73,733,007,463.03/313,609.73 - Step 6: Final answer
x = 235,110.72
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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.