Finding the Fourth Proportional to 251,540.82, 347,130.84 and 136,822.02
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Solution
The fourth proportional to 251,540.82, 347,130.84 and 136,822.02 is: 188,816.84
Step by Step Solution
- Step 1: Write the proportion equation
251,540.82 : 347,130.84 = 136,822.02 : x - Step 2: Convert to fraction form
251,540.82/347,130.84 = 136,822.02/x - Step 3: Cross multiply
251,540.82x = 347,130.84 × 136,822.02 - Step 4: Simplify right side
251,540.82x = 47,495,142,733.10 - Step 5: Solve for x
x = 47,495,142,733.10/251,540.82 - Step 6: Final answer
x = 188,816.84
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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.