Finding the Fourth Proportional to 177,811.26, 245,305.11 and 116,572.15
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Solution
The fourth proportional to 177,811.26, 245,305.11 and 116,572.15 is: 160,820.78
Step by Step Solution
- Step 1: Write the proportion equation
177,811.26 : 245,305.11 = 116,572.15 : x - Step 2: Convert to fraction form
177,811.26/245,305.11 = 116,572.15/x - Step 3: Cross multiply
177,811.26x = 245,305.11 × 116,572.15 - Step 4: Simplify right side
177,811.26x = 28,595,744,166.75 - Step 5: Solve for x
x = 28,595,744,166.75/177,811.26 - Step 6: Final answer
x = 160,820.78
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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.