Finding the Fourth Proportional to 188,693.75, 260,397.38 and 103,808.99
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Solution
The fourth proportional to 188,693.75, 260,397.38 and 103,808.99 is: 143,256.41
Step by Step Solution
- Step 1: Write the proportion equation
188,693.75 : 260,397.38 = 103,808.99 : x - Step 2: Convert to fraction form
188,693.75/260,397.38 = 103,808.99/x - Step 3: Cross multiply
188,693.75x = 260,397.38 × 103,808.99 - Step 4: Simplify right side
188,693.75x = 27,031,589,016.45 - Step 5: Solve for x
x = 27,031,589,016.45/188,693.75 - Step 6: Final answer
x = 143,256.41
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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.