Finding the Fourth Proportional to 138,792.19, 208,188.83 and 33,611.26
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Solution
The fourth proportional to 138,792.19, 208,188.83 and 33,611.26 is: 50,417.02
Step by Step Solution
- Step 1: Write the proportion equation
138,792.19 : 208,188.83 = 33,611.26 : x - Step 2: Convert to fraction form
138,792.19/208,188.83 = 33,611.26/x - Step 3: Cross multiply
138,792.19x = 208,188.83 × 33,611.26 - Step 4: Simplify right side
138,792.19x = 6,997,488,894.23 - Step 5: Solve for x
x = 6,997,488,894.23/138,792.19 - Step 6: Final answer
x = 50,417.02
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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.