Finding the Fourth Proportional to 500,566.23, 690,779.76 and 271,122.98
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Solution
The fourth proportional to 500,566.23, 690,779.76 and 271,122.98 is: 374,148.82
Step by Step Solution
- Step 1: Write the proportion equation
500,566.23 : 690,779.76 = 271,122.98 : x - Step 2: Convert to fraction form
500,566.23/690,779.76 = 271,122.98/x - Step 3: Cross multiply
500,566.23x = 690,779.76 × 271,122.98 - Step 4: Simplify right side
500,566.23x = 187,286,263,600.99 - Step 5: Solve for x
x = 187,286,263,600.99/500,566.23 - Step 6: Final answer
x = 374,148.82
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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.