Finding the Fourth Proportional to 201,793.20, 302,689.80 and 113,219.70
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Solution
The fourth proportional to 201,793.20, 302,689.80 and 113,219.70 is: 169,829.55
Step by Step Solution
- Step 1: Write the proportion equation
201,793.20 : 302,689.80 = 113,219.70 : x - Step 2: Convert to fraction form
201,793.20/302,689.80 = 113,219.70/x - Step 3: Cross multiply
201,793.20x = 302,689.80 × 113,219.70 - Step 4: Simplify right side
201,793.20x = 34,270,448,349.06 - Step 5: Solve for x
x = 34,270,448,349.06/201,793.20 - Step 6: Final answer
x = 169,829.55
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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.