Finding the Fourth Proportional to 313,703.29, 470,516.05 and 185,695.75
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Solution
The fourth proportional to 313,703.29, 470,516.05 and 185,695.75 is: 278,520.61
Step by Step Solution
- Step 1: Write the proportion equation
313,703.29 : 470,516.05 = 185,695.75 : x - Step 2: Convert to fraction form
313,703.29/470,516.05 = 185,695.75/x - Step 3: Cross multiply
313,703.29x = 470,516.05 × 185,695.75 - Step 4: Simplify right side
313,703.29x = 87,372,830,791.79 - Step 5: Solve for x
x = 87,372,830,791.79/313,703.29 - Step 6: Final answer
x = 278,520.61
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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.