Finding the Fourth Proportional to 232,506.60, 320,848.18 and 129,147.48
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Solution
The fourth proportional to 232,506.60, 320,848.18 and 129,147.48 is: 178,217.45
Step by Step Solution
- Step 1: Write the proportion equation
232,506.60 : 320,848.18 = 129,147.48 : x - Step 2: Convert to fraction form
232,506.60/320,848.18 = 129,147.48/x - Step 3: Cross multiply
232,506.60x = 320,848.18 × 129,147.48 - Step 4: Simplify right side
232,506.60x = 41,436,733,909.59 - Step 5: Solve for x
x = 41,436,733,909.59/232,506.60 - Step 6: Final answer
x = 178,217.45
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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.