Finding the Fourth Proportional to 255,199.95, 352,187.60 and 142,029.99
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Solution
The fourth proportional to 255,199.95, 352,187.60 and 142,029.99 is: 196,007.88
Step by Step Solution
- Step 1: Write the proportion equation
255,199.95 : 352,187.60 = 142,029.99 : x - Step 2: Convert to fraction form
255,199.95/352,187.60 = 142,029.99/x - Step 3: Cross multiply
255,199.95x = 352,187.60 × 142,029.99 - Step 4: Simplify right side
255,199.95x = 50,021,200,595.97 - Step 5: Solve for x
x = 50,021,200,595.97/255,199.95 - Step 6: Final answer
x = 196,007.88
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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.