Finding the Fourth Proportional to 188,829.29, 260,587.74 and 102,790.74
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Solution
The fourth proportional to 188,829.29, 260,587.74 and 102,790.74 is: 141,853.03
Step by Step Solution
- Step 1: Write the proportion equation
188,829.29 : 260,587.74 = 102,790.74 : x - Step 2: Convert to fraction form
188,829.29/260,587.74 = 102,790.74/x - Step 3: Cross multiply
188,829.29x = 260,587.74 × 102,790.74 - Step 4: Simplify right side
188,829.29x = 26,786,006,629.53 - Step 5: Solve for x
x = 26,786,006,629.53/188,829.29 - Step 6: Final answer
x = 141,853.03
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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.