Finding the Fourth Proportional to 205,638.94, 283,779.41 and 114,993.66
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Solution
The fourth proportional to 205,638.94, 283,779.41 and 114,993.66 is: 158,689.95
Step by Step Solution
- Step 1: Write the proportion equation
205,638.94 : 283,779.41 = 114,993.66 : x - Step 2: Convert to fraction form
205,638.94/283,779.41 = 114,993.66/x - Step 3: Cross multiply
205,638.94x = 283,779.41 × 114,993.66 - Step 4: Simplify right side
205,638.94x = 32,632,832,988.54 - Step 5: Solve for x
x = 32,632,832,988.54/205,638.94 - Step 6: Final answer
x = 158,689.95
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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.