Finding the Fourth Proportional to 232,701.12, 321,119.12 and 142,208.48
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Solution
The fourth proportional to 232,701.12, 321,119.12 and 142,208.48 is: 196,242.55
Step by Step Solution
- Step 1: Write the proportion equation
232,701.12 : 321,119.12 = 142,208.48 : x - Step 2: Convert to fraction form
232,701.12/321,119.12 = 142,208.48/x - Step 3: Cross multiply
232,701.12x = 321,119.12 × 142,208.48 - Step 4: Simplify right side
232,701.12x = 45,665,861,954.14 - Step 5: Solve for x
x = 45,665,861,954.14/232,701.12 - Step 6: Final answer
x = 196,242.55
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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.