Finding the Fourth Proportional to 141,782.77, 212,668.65 and 35,166.99
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Solution
The fourth proportional to 141,782.77, 212,668.65 and 35,166.99 is: 52,749.12
Step by Step Solution
- Step 1: Write the proportion equation
141,782.77 : 212,668.65 = 35,166.99 : x - Step 2: Convert to fraction form
141,782.77/212,668.65 = 35,166.99/x - Step 3: Cross multiply
141,782.77x = 212,668.65 × 35,166.99 - Step 4: Simplify right side
141,782.77x = 7,478,916,287.86 - Step 5: Solve for x
x = 7,478,916,287.86/141,782.77 - Step 6: Final answer
x = 52,749.12
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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.