Finding the Fourth Proportional to 703,420.84, 1,055,229.68 and 230,011.84
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Solution
The fourth proportional to 703,420.84, 1,055,229.68 and 230,011.84 is: 345,049.94
Step by Step Solution
- Step 1: Write the proportion equation
703,420.84 : 1,055,229.68 = 230,011.84 : x - Step 2: Convert to fraction form
703,420.84/1,055,229.68 = 230,011.84/x - Step 3: Cross multiply
703,420.84x = 1,055,229.68 × 230,011.84 - Step 4: Simplify right side
703,420.84x = 242,715,320,319.41 - Step 5: Solve for x
x = 242,715,320,319.41/703,420.84 - Step 6: Final answer
x = 345,049.94
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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.