Finding the Fourth Proportional to 776,151.97, 1,164,156.58 and 207,512.69
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Solution
The fourth proportional to 776,151.97, 1,164,156.58 and 207,512.69 is: 311,249.95
Step by Step Solution
- Step 1: Write the proportion equation
776,151.97 : 1,164,156.58 = 207,512.69 : x - Step 2: Convert to fraction form
776,151.97/1,164,156.58 = 207,512.69/x - Step 3: Cross multiply
776,151.97x = 1,164,156.58 × 207,512.69 - Step 4: Simplify right side
776,151.97x = 241,577,257,351.98 - Step 5: Solve for x
x = 241,577,257,351.98/776,151.97 - Step 6: Final answer
x = 311,249.95
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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.