Finding the Fourth Proportional to 245,536.66, 338,844.09 and 144,934.66
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Solution
The fourth proportional to 245,536.66, 338,844.09 and 144,934.66 is: 200,011.90
Step by Step Solution
- Step 1: Write the proportion equation
245,536.66 : 338,844.09 = 144,934.66 : x - Step 2: Convert to fraction form
245,536.66/338,844.09 = 144,934.66/x - Step 3: Cross multiply
245,536.66x = 338,844.09 × 144,934.66 - Step 4: Simplify right side
245,536.66x = 49,110,252,977.16 - Step 5: Solve for x
x = 49,110,252,977.16/245,536.66 - Step 6: Final answer
x = 200,011.90
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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.