Finding the Fourth Proportional to 252,279.18, 348,147.99 and 137,556.89
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Solution
The fourth proportional to 252,279.18, 348,147.99 and 137,556.89 is: 189,829.99
Step by Step Solution
- Step 1: Write the proportion equation
252,279.18 : 348,147.99 = 137,556.89 : x - Step 2: Convert to fraction form
252,279.18/348,147.99 = 137,556.89/x - Step 3: Cross multiply
252,279.18x = 348,147.99 × 137,556.89 - Step 4: Simplify right side
252,279.18x = 47,890,154,764.15 - Step 5: Solve for x
x = 47,890,154,764.15/252,279.18 - Step 6: Final answer
x = 189,829.99
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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.