Finding the Fourth Proportional to 259,747.44, 358,390.56 and 157,770.06
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Solution
The fourth proportional to 259,747.44, 358,390.56 and 157,770.06 is: 217,685.69
Step by Step Solution
- Step 1: Write the proportion equation
259,747.44 : 358,390.56 = 157,770.06 : x - Step 2: Convert to fraction form
259,747.44/358,390.56 = 157,770.06/x - Step 3: Cross multiply
259,747.44x = 358,390.56 × 157,770.06 - Step 4: Simplify right side
259,747.44x = 56,543,300,154.63 - Step 5: Solve for x
x = 56,543,300,154.63/259,747.44 - Step 6: Final answer
x = 217,685.69
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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.