Finding the Fourth Proportional to 177,489.18, 265,809.12 and 102,453.20
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Solution
The fourth proportional to 177,489.18, 265,809.12 and 102,453.20 is: 153,434.68
Step by Step Solution
- Step 1: Write the proportion equation
177,489.18 : 265,809.12 = 102,453.20 : x - Step 2: Convert to fraction form
177,489.18/265,809.12 = 102,453.20/x - Step 3: Cross multiply
177,489.18x = 265,809.12 × 102,453.20 - Step 4: Simplify right side
177,489.18x = 27,232,994,933.18 - Step 5: Solve for x
x = 27,232,994,933.18/177,489.18 - Step 6: Final answer
x = 153,434.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.