Finding the Fourth Proportional to 304,950.76, 420,306.64 and 202,793.63
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Solution
The fourth proportional to 304,950.76, 420,306.64 and 202,793.63 is: 279,505.80
Step by Step Solution
- Step 1: Write the proportion equation
304,950.76 : 420,306.64 = 202,793.63 : x - Step 2: Convert to fraction form
304,950.76/420,306.64 = 202,793.63/x - Step 3: Cross multiply
304,950.76x = 420,306.64 × 202,793.63 - Step 4: Simplify right side
304,950.76x = 85,235,506,630.19 - Step 5: Solve for x
x = 85,235,506,630.19/304,950.76 - Step 6: Final answer
x = 279,505.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.