Finding the Fourth Proportional to 281,227.41, 388,118.07 and 160,373.79
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Solution
The fourth proportional to 281,227.41, 388,118.07 and 160,373.79 is: 221,329.66
Step by Step Solution
- Step 1: Write the proportion equation
281,227.41 : 388,118.07 = 160,373.79 : x - Step 2: Convert to fraction form
281,227.41/388,118.07 = 160,373.79/x - Step 3: Cross multiply
281,227.41x = 388,118.07 × 160,373.79 - Step 4: Simplify right side
281,227.41x = 62,243,965,853.39 - Step 5: Solve for x
x = 62,243,965,853.39/281,227.41 - Step 6: Final answer
x = 221,329.66
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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.