Finding the Fourth Proportional to 163,756.20, 245,634.30 and 146,245.80
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Solution
The fourth proportional to 163,756.20, 245,634.30 and 146,245.80 is: 219,368.70
Step by Step Solution
- Step 1: Write the proportion equation
163,756.20 : 245,634.30 = 146,245.80 : x - Step 2: Convert to fraction form
163,756.20/245,634.30 = 146,245.80/x - Step 3: Cross multiply
163,756.20x = 245,634.30 × 146,245.80 - Step 4: Simplify right side
163,756.20x = 35,922,984,710.94 - Step 5: Solve for x
x = 35,922,984,710.94/163,756.20 - Step 6: Final answer
x = 219,368.70
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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.