Finding the Fourth Proportional to 79,200.24, 118,779.49 and 29,294.63
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Solution
The fourth proportional to 79,200.24, 118,779.49 and 29,294.63 is: 43,934.23
Step by Step Solution
- Step 1: Write the proportion equation
79,200.24 : 118,779.49 = 29,294.63 : x - Step 2: Convert to fraction form
79,200.24/118,779.49 = 29,294.63/x - Step 3: Cross multiply
79,200.24x = 118,779.49 × 29,294.63 - Step 4: Simplify right side
79,200.24x = 3,479,601,211.14 - Step 5: Solve for x
x = 3,479,601,211.14/79,200.24 - Step 6: Final answer
x = 43,934.23
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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.