Finding the Fourth Proportional to 201,054.60, 277,517.63 and 129,434.63
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Solution
The fourth proportional to 201,054.60, 277,517.63 and 129,434.63 is: 178,659.88
Step by Step Solution
- Step 1: Write the proportion equation
201,054.60 : 277,517.63 = 129,434.63 : x - Step 2: Convert to fraction form
201,054.60/277,517.63 = 129,434.63/x - Step 3: Cross multiply
201,054.60x = 277,517.63 × 129,434.63 - Step 4: Simplify right side
201,054.60x = 35,920,390,693.53 - Step 5: Solve for x
x = 35,920,390,693.53/201,054.60 - Step 6: Final answer
x = 178,659.88
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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.