Finding the Fourth Proportional to 79,366.05, 119,052.74 and 20,202.23
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Solution
The fourth proportional to 79,366.05, 119,052.74 and 20,202.23 is: 30,304.28
Step by Step Solution
- Step 1: Write the proportion equation
79,366.05 : 119,052.74 = 20,202.23 : x - Step 2: Convert to fraction form
79,366.05/119,052.74 = 20,202.23/x - Step 3: Cross multiply
79,366.05x = 119,052.74 × 20,202.23 - Step 4: Simplify right side
79,366.05x = 2,405,130,835.61 - Step 5: Solve for x
x = 2,405,130,835.61/79,366.05 - Step 6: Final answer
x = 30,304.28
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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.