Finding the Fourth Proportional to 245,277.62, 338,511.17 and 136,392.81
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Solution
The fourth proportional to 245,277.62, 338,511.17 and 136,392.81 is: 188,237.68
Step by Step Solution
- Step 1: Write the proportion equation
245,277.62 : 338,511.17 = 136,392.81 : x - Step 2: Convert to fraction form
245,277.62/338,511.17 = 136,392.81/x - Step 3: Cross multiply
245,277.62x = 338,511.17 × 136,392.81 - Step 4: Simplify right side
245,277.62x = 46,170,489,010.72 - Step 5: Solve for x
x = 46,170,489,010.72/245,277.62 - Step 6: Final answer
x = 188,237.68
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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.