Finding the Fourth Proportional to 79,488.68, 119,158.90 and 26,861.36
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Solution
The fourth proportional to 79,488.68, 119,158.90 and 26,861.36 is: 40,266.99
Step by Step Solution
- Step 1: Write the proportion equation
79,488.68 : 119,158.90 = 26,861.36 : x - Step 2: Convert to fraction form
79,488.68/119,158.90 = 26,861.36/x - Step 3: Cross multiply
79,488.68x = 119,158.90 × 26,861.36 - Step 4: Simplify right side
79,488.68x = 3,200,769,447.16 - Step 5: Solve for x
x = 3,200,769,447.16/79,488.68 - Step 6: Final answer
x = 40,266.99
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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.