Finding the Fourth Proportional to 236,953.08, 326,989.44 and 129,520.08
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Solution
The fourth proportional to 236,953.08, 326,989.44 and 129,520.08 is: 178,734.53
Step by Step Solution
- Step 1: Write the proportion equation
236,953.08 : 326,989.44 = 129,520.08 : x - Step 2: Convert to fraction form
236,953.08/326,989.44 = 129,520.08/x - Step 3: Cross multiply
236,953.08x = 326,989.44 × 129,520.08 - Step 4: Simplify right side
236,953.08x = 42,351,698,427.96 - Step 5: Solve for x
x = 42,351,698,427.96/236,953.08 - Step 6: Final answer
x = 178,734.53
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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.