Finding the Fourth Proportional to 518,118.62, 777,282.68 and 218,599.92
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Solution
The fourth proportional to 518,118.62, 777,282.68 and 218,599.92 is: 327,944.08
Step by Step Solution
- Step 1: Write the proportion equation
518,118.62 : 777,282.68 = 218,599.92 : x - Step 2: Convert to fraction form
518,118.62/777,282.68 = 218,599.92/x - Step 3: Cross multiply
518,118.62x = 777,282.68 × 218,599.92 - Step 4: Simplify right side
518,118.62x = 169,913,932,211.89 - Step 5: Solve for x
x = 169,913,932,211.89/518,118.62 - Step 6: Final answer
x = 327,944.08
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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.