Finding the Fourth Proportional to 236,688.03, 326,627.82 and 129,258.09
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Solution
The fourth proportional to 236,688.03, 326,627.82 and 129,258.09 is: 178,375.26
Step by Step Solution
- Step 1: Write the proportion equation
236,688.03 : 326,627.82 = 129,258.09 : x - Step 2: Convert to fraction form
236,688.03/326,627.82 = 129,258.09/x - Step 3: Cross multiply
236,688.03x = 326,627.82 × 129,258.09 - Step 4: Simplify right side
236,688.03x = 42,219,288,154.06 - Step 5: Solve for x
x = 42,219,288,154.06/236,688.03 - Step 6: Final answer
x = 178,375.26
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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.