Finding the Fourth Proportional to 439,837.72, 659,756.58 and 252,729.88
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Solution
The fourth proportional to 439,837.72, 659,756.58 and 252,729.88 is: 379,094.82
Step by Step Solution
- Step 1: Write the proportion equation
439,837.72 : 659,756.58 = 252,729.88 : x - Step 2: Convert to fraction form
439,837.72/659,756.58 = 252,729.88/x - Step 3: Cross multiply
439,837.72x = 659,756.58 × 252,729.88 - Step 4: Simplify right side
439,837.72x = 166,740,201,292.61 - Step 5: Solve for x
x = 166,740,201,292.61/439,837.72 - Step 6: Final answer
x = 379,094.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.