Finding the Fourth Proportional to 209,249.47, 288,786.84 and 118,595.70
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Solution
The fourth proportional to 209,249.47, 288,786.84 and 118,595.70 is: 163,674.86
Step by Step Solution
- Step 1: Write the proportion equation
209,249.47 : 288,786.84 = 118,595.70 : x - Step 2: Convert to fraction form
209,249.47/288,786.84 = 118,595.70/x - Step 3: Cross multiply
209,249.47x = 288,786.84 × 118,595.70 - Step 4: Simplify right side
209,249.47x = 34,248,877,440.59 - Step 5: Solve for x
x = 34,248,877,440.59/209,249.47 - Step 6: Final answer
x = 163,674.86
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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.