Finding the Fourth Proportional to 753,791.08, 1,130,680.86 and 192,824.68
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Solution
The fourth proportional to 753,791.08, 1,130,680.86 and 192,824.68 is: 289,235.55
Step by Step Solution
- Step 1: Write the proportion equation
753,791.08 : 1,130,680.86 = 192,824.68 : x - Step 2: Convert to fraction form
753,791.08/1,130,680.86 = 192,824.68/x - Step 3: Cross multiply
753,791.08x = 1,130,680.86 × 192,824.68 - Step 4: Simplify right side
753,791.08x = 218,023,175,011.63 - Step 5: Solve for x
x = 218,023,175,011.63/753,791.08 - Step 6: Final answer
x = 289,235.55
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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.