Finding the Fourth Proportional to 136,587.78, 204,756.86 and 47,792.84
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Solution
The fourth proportional to 136,587.78, 204,756.86 and 47,792.84 is: 71,645.58
Step by Step Solution
- Step 1: Write the proportion equation
136,587.78 : 204,756.86 = 47,792.84 : x - Step 2: Convert to fraction form
136,587.78/204,756.86 = 47,792.84/x - Step 3: Cross multiply
136,587.78x = 204,756.86 × 47,792.84 - Step 4: Simplify right side
136,587.78x = 9,785,910,586.13 - Step 5: Solve for x
x = 9,785,910,586.13/136,587.78 - Step 6: Final answer
x = 71,645.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.