Finding the Fourth Proportional to 265,811.80, 366,829.14 and 144,959.68
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Solution
The fourth proportional to 265,811.80, 366,829.14 and 144,959.68 is: 200,049.18
Step by Step Solution
- Step 1: Write the proportion equation
265,811.80 : 366,829.14 = 144,959.68 : x - Step 2: Convert to fraction form
265,811.80/366,829.14 = 144,959.68/x - Step 3: Cross multiply
265,811.80x = 366,829.14 × 144,959.68 - Step 4: Simplify right side
265,811.80x = 53,175,432,190.13 - Step 5: Solve for x
x = 53,175,432,190.13/265,811.80 - Step 6: Final answer
x = 200,049.18
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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.