Finding the Fourth Proportional to 515,243.68, 772,791.64 and 248,932.68
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Solution
The fourth proportional to 515,243.68, 772,791.64 and 248,932.68 is: 373,363.33
Step by Step Solution
- Step 1: Write the proportion equation
515,243.68 : 772,791.64 = 248,932.68 : x - Step 2: Convert to fraction form
515,243.68/772,791.64 = 248,932.68/x - Step 3: Cross multiply
515,243.68x = 772,791.64 × 248,932.68 - Step 4: Simplify right side
515,243.68x = 192,373,094,026.80 - Step 5: Solve for x
x = 192,373,094,026.80/515,243.68 - Step 6: Final answer
x = 373,363.33
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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.