Finding the Fourth Proportional to 259,770.64, 358,351.41 and 157,768.96
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Solution
The fourth proportional to 259,770.64, 358,351.41 and 157,768.96 is: 217,640.95
Step by Step Solution
- Step 1: Write the proportion equation
259,770.64 : 358,351.41 = 157,768.96 : x - Step 2: Convert to fraction form
259,770.64/358,351.41 = 157,768.96/x - Step 3: Cross multiply
259,770.64x = 358,351.41 × 157,768.96 - Step 4: Simplify right side
259,770.64x = 56,536,729,270.23 - Step 5: Solve for x
x = 56,536,729,270.23/259,770.64 - Step 6: Final answer
x = 217,640.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.