Finding the Fourth Proportional to 518,581.58, 777,363.75 and 248,633.10
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Solution
The fourth proportional to 518,581.58, 777,363.75 and 248,633.10 is: 372,705.80
Step by Step Solution
- Step 1: Write the proportion equation
518,581.58 : 777,363.75 = 248,633.10 : x - Step 2: Convert to fraction form
518,581.58/777,363.75 = 248,633.10/x - Step 3: Cross multiply
518,581.58x = 777,363.75 × 248,633.10 - Step 4: Simplify right side
518,581.58x = 193,278,358,990.13 - Step 5: Solve for x
x = 193,278,358,990.13/518,581.58 - Step 6: Final answer
x = 372,705.80
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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.