Finding the Fourth Proportional to 207,927.41, 286,933.39 and 117,282.06
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Solution
The fourth proportional to 207,927.41, 286,933.39 and 117,282.06 is: 161,845.62
Step by Step Solution
- Step 1: Write the proportion equation
207,927.41 : 286,933.39 = 117,282.06 : x - Step 2: Convert to fraction form
207,927.41/286,933.39 = 117,282.06/x - Step 3: Cross multiply
207,927.41x = 286,933.39 × 117,282.06 - Step 4: Simplify right side
207,927.41x = 33,652,138,768.78 - Step 5: Solve for x
x = 33,652,138,768.78/207,927.41 - Step 6: Final answer
x = 161,845.62
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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.