Finding the Fourth Proportional to 265,363.80, 366,193.56 and 157,909.20
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Solution
The fourth proportional to 265,363.80, 366,193.56 and 157,909.20 is: 217,909.65
Step by Step Solution
- Step 1: Write the proportion equation
265,363.80 : 366,193.56 = 157,909.20 : x - Step 2: Convert to fraction form
265,363.80/366,193.56 = 157,909.20/x - Step 3: Cross multiply
265,363.80x = 366,193.56 × 157,909.20 - Step 4: Simplify right side
265,363.80x = 57,825,332,104.75 - Step 5: Solve for x
x = 57,825,332,104.75/265,363.80 - Step 6: Final answer
x = 217,909.65
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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.