Finding the Fourth Proportional to 163,593.05, 245,520.80 and 84,729.83
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Solution
The fourth proportional to 163,593.05, 245,520.80 and 84,729.83 is: 127,162.70
Step by Step Solution
- Step 1: Write the proportion equation
163,593.05 : 245,520.80 = 84,729.83 : x - Step 2: Convert to fraction form
163,593.05/245,520.80 = 84,729.83/x - Step 3: Cross multiply
163,593.05x = 245,520.80 × 84,729.83 - Step 4: Simplify right side
163,593.05x = 20,802,933,994.21 - Step 5: Solve for x
x = 20,802,933,994.21/163,593.05 - Step 6: Final answer
x = 127,162.70
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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.