Finding the Fourth Proportional to 207,504.81, 286,357.61 and 116,862.32
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Solution
The fourth proportional to 207,504.81, 286,357.61 and 116,862.32 is: 161,270.55
Step by Step Solution
- Step 1: Write the proportion equation
207,504.81 : 286,357.61 = 116,862.32 : x - Step 2: Convert to fraction form
207,504.81/286,357.61 = 116,862.32/x - Step 3: Cross multiply
207,504.81x = 286,357.61 × 116,862.32 - Step 4: Simplify right side
207,504.81x = 33,464,414,654.26 - Step 5: Solve for x
x = 33,464,414,654.26/207,504.81 - Step 6: Final answer
x = 161,270.55
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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.