Finding the Fourth Proportional to 205,118.08, 283,062.80 and 115,694.08
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Solution
The fourth proportional to 205,118.08, 283,062.80 and 115,694.08 is: 159,657.75
Step by Step Solution
- Step 1: Write the proportion equation
205,118.08 : 283,062.80 = 115,694.08 : x - Step 2: Convert to fraction form
205,118.08/283,062.80 = 115,694.08/x - Step 3: Cross multiply
205,118.08x = 283,062.80 × 115,694.08 - Step 4: Simplify right side
205,118.08x = 32,748,690,228.22 - Step 5: Solve for x
x = 32,748,690,228.22/205,118.08 - Step 6: Final answer
x = 159,657.75
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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.