Finding the Fourth Proportional to 769,638.98, 1,154,584.82 and 237,160.10
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Solution
The fourth proportional to 769,638.98, 1,154,584.82 and 237,160.10 is: 355,779.08
Step by Step Solution
- Step 1: Write the proportion equation
769,638.98 : 1,154,584.82 = 237,160.10 : x - Step 2: Convert to fraction form
769,638.98/1,154,584.82 = 237,160.10/x - Step 3: Cross multiply
769,638.98x = 1,154,584.82 × 237,160.10 - Step 4: Simplify right side
769,638.98x = 273,821,446,189.66 - Step 5: Solve for x
x = 273,821,446,189.66/769,638.98 - Step 6: Final answer
x = 355,779.08
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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.