Finding the Fourth Proportional to 281,604.18, 388,616.06 and 160,744.08
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Solution
The fourth proportional to 281,604.18, 388,616.06 and 160,744.08 is: 221,828.14
Step by Step Solution
- Step 1: Write the proportion equation
281,604.18 : 388,616.06 = 160,744.08 : x - Step 2: Convert to fraction form
281,604.18/388,616.06 = 160,744.08/x - Step 3: Cross multiply
281,604.18x = 388,616.06 × 160,744.08 - Step 4: Simplify right side
281,604.18x = 62,467,731,037.92 - Step 5: Solve for x
x = 62,467,731,037.92/281,604.18 - Step 6: Final answer
x = 221,828.14
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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.