Finding the Fourth Proportional to 518,580.44, 778,234.26 and 214,979.28
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Solution
The fourth proportional to 518,580.44, 778,234.26 and 214,979.28 is: 322,619.64
Step by Step Solution
- Step 1: Write the proportion equation
518,580.44 : 778,234.26 = 214,979.28 : x - Step 2: Convert to fraction form
518,580.44/778,234.26 = 214,979.28/x - Step 3: Cross multiply
518,580.44x = 778,234.26 × 214,979.28 - Step 4: Simplify right side
518,580.44x = 167,304,236,994.96 - Step 5: Solve for x
x = 167,304,236,994.96/518,580.44 - Step 6: Final answer
x = 322,619.64
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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.