Finding the Fourth Proportional to 135,862.14, 203,727.66 and 56,955.18
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Solution
The fourth proportional to 135,862.14, 203,727.66 and 56,955.18 is: 85,405.29
Step by Step Solution
- Step 1: Write the proportion equation
135,862.14 : 203,727.66 = 56,955.18 : x - Step 2: Convert to fraction form
135,862.14/203,727.66 = 56,955.18/x - Step 3: Cross multiply
135,862.14x = 203,727.66 × 56,955.18 - Step 4: Simplify right side
135,862.14x = 11,603,345,546.28 - Step 5: Solve for x
x = 11,603,345,546.28/135,862.14 - Step 6: Final answer
x = 85,405.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.