Finding the Fourth Proportional to 156,588.21, 216,093.29 and 84,968.82
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Solution
The fourth proportional to 156,588.21, 216,093.29 and 84,968.82 is: 117,257.82
Step by Step Solution
- Step 1: Write the proportion equation
156,588.21 : 216,093.29 = 84,968.82 : x - Step 2: Convert to fraction form
156,588.21/216,093.29 = 84,968.82/x - Step 3: Cross multiply
156,588.21x = 216,093.29 × 84,968.82 - Step 4: Simplify right side
156,588.21x = 18,361,191,436.37 - Step 5: Solve for x
x = 18,361,191,436.37/156,588.21 - Step 6: Final answer
x = 117,257.82
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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.