Finding the Fourth Proportional to 518,793.44, 778,540.20 and 203,210.96
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Solution
The fourth proportional to 518,793.44, 778,540.20 and 203,210.96 is: 304,953.55
Step by Step Solution
- Step 1: Write the proportion equation
518,793.44 : 778,540.20 = 203,210.96 : x - Step 2: Convert to fraction form
518,793.44/778,540.20 = 203,210.96/x - Step 3: Cross multiply
518,793.44x = 778,540.20 × 203,210.96 - Step 4: Simplify right side
518,793.44x = 158,207,901,440.59 - Step 5: Solve for x
x = 158,207,901,440.59/518,793.44 - Step 6: Final answer
x = 304,953.55
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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.