Finding the Fourth Proportional to 211,559.24, 317,346.42 and 71,319.08
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Solution
The fourth proportional to 211,559.24, 317,346.42 and 71,319.08 is: 106,981.17
Step by Step Solution
- Step 1: Write the proportion equation
211,559.24 : 317,346.42 = 71,319.08 : x - Step 2: Convert to fraction form
211,559.24/317,346.42 = 71,319.08/x - Step 3: Cross multiply
211,559.24x = 317,346.42 × 71,319.08 - Step 4: Simplify right side
211,559.24x = 22,632,854,715.69 - Step 5: Solve for x
x = 22,632,854,715.69/211,559.24 - Step 6: Final answer
x = 106,981.17
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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.