Finding the Fourth Proportional to 518,791.20, 778,536.96 and 203,208.96
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Solution
The fourth proportional to 518,791.20, 778,536.96 and 203,208.96 is: 304,950.60
Step by Step Solution
- Step 1: Write the proportion equation
518,791.20 : 778,536.96 = 203,208.96 : x - Step 2: Convert to fraction form
518,791.20/778,536.96 = 203,208.96/x - Step 3: Cross multiply
518,791.20x = 778,536.96 × 203,208.96 - Step 4: Simplify right side
518,791.20x = 158,205,685,963.16 - Step 5: Solve for x
x = 158,205,685,963.16/518,791.20 - Step 6: Final answer
x = 304,950.60
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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.