Finding the Fourth Proportional to 485,219.44, 727,829.14 and 185,791.80
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Solution
The fourth proportional to 485,219.44, 727,829.14 and 185,791.80 is: 278,687.69
Step by Step Solution
- Step 1: Write the proportion equation
485,219.44 : 727,829.14 = 185,791.80 : x - Step 2: Convert to fraction form
485,219.44/727,829.14 = 185,791.80/x - Step 3: Cross multiply
485,219.44x = 727,829.14 × 185,791.80 - Step 4: Simplify right side
485,219.44x = 135,224,686,013.05 - Step 5: Solve for x
x = 135,224,686,013.05/485,219.44 - Step 6: Final answer
x = 278,687.69
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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.