Finding the Fourth Proportional to 338,936.13, 467,716.17 and 185,970.51
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Solution
The fourth proportional to 338,936.13, 467,716.17 and 185,970.51 is: 256,630.70
Step by Step Solution
- Step 1: Write the proportion equation
338,936.13 : 467,716.17 = 185,970.51 : x - Step 2: Convert to fraction form
338,936.13/467,716.17 = 185,970.51/x - Step 3: Cross multiply
338,936.13x = 467,716.17 × 185,970.51 - Step 4: Simplify right side
338,936.13x = 86,981,414,670.15 - Step 5: Solve for x
x = 86,981,414,670.15/338,936.13 - Step 6: Final answer
x = 256,630.70
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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.