Finding the Fourth Proportional to 259,791.21, 357,135.71 and 223,358.49
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Solution
The fourth proportional to 259,791.21, 357,135.71 and 223,358.49 is: 307,051.54
Step by Step Solution
- Step 1: Write the proportion equation
259,791.21 : 357,135.71 = 223,358.49 : x - Step 2: Convert to fraction form
259,791.21/357,135.71 = 223,358.49/x - Step 3: Cross multiply
259,791.21x = 357,135.71 × 223,358.49 - Step 4: Simplify right side
259,791.21x = 79,769,291,793.89 - Step 5: Solve for x
x = 79,769,291,793.89/259,791.21 - Step 6: Final answer
x = 307,051.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.