Finding the Fourth Proportional to 518,712.12, 777,847.86 and 203,118.84
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Solution
The fourth proportional to 518,712.12, 777,847.86 and 203,118.84 is: 304,591.99
Step by Step Solution
- Step 1: Write the proportion equation
518,712.12 : 777,847.86 = 203,118.84 : x - Step 2: Convert to fraction form
518,712.12/777,847.86 = 203,118.84/x - Step 3: Cross multiply
518,712.12x = 777,847.86 × 203,118.84 - Step 4: Simplify right side
518,712.12x = 157,995,555,019.68 - Step 5: Solve for x
x = 157,995,555,019.68/518,712.12 - Step 6: Final answer
x = 304,591.99
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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.