Finding the Fourth Proportional to 545,461.98, 816,683.94 and 278,647.98
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Solution
The fourth proportional to 545,461.98, 816,683.94 and 278,647.98 is: 417,201.09
Step by Step Solution
- Step 1: Write the proportion equation
545,461.98 : 816,683.94 = 278,647.98 : x - Step 2: Convert to fraction form
545,461.98/816,683.94 = 278,647.98/x - Step 3: Cross multiply
545,461.98x = 816,683.94 × 278,647.98 - Step 4: Simplify right side
545,461.98x = 227,567,330,179.44 - Step 5: Solve for x
x = 227,567,330,179.44/545,461.98 - Step 6: Final answer
x = 417,201.09
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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.