Finding the Fourth Proportional to 207,734.24, 286,693.49 and 122,878.64
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Solution
The fourth proportional to 207,734.24, 286,693.49 and 122,878.64 is: 169,584.49
Step by Step Solution
- Step 1: Write the proportion equation
207,734.24 : 286,693.49 = 122,878.64 : x - Step 2: Convert to fraction form
207,734.24/286,693.49 = 122,878.64/x - Step 3: Cross multiply
207,734.24x = 286,693.49 × 122,878.64 - Step 4: Simplify right side
207,734.24x = 35,228,506,148.05 - Step 5: Solve for x
x = 35,228,506,148.05/207,734.24 - Step 6: Final answer
x = 169,584.49
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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.