Finding the Fourth Proportional to 355,702.80, 490,866.28 and 194,560.99
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Solution
The fourth proportional to 355,702.80, 490,866.28 and 194,560.99 is: 268,492.21
Step by Step Solution
- Step 1: Write the proportion equation
355,702.80 : 490,866.28 = 194,560.99 : x - Step 2: Convert to fraction form
355,702.80/490,866.28 = 194,560.99/x - Step 3: Cross multiply
355,702.80x = 490,866.28 × 194,560.99 - Step 4: Simplify right side
355,702.80x = 95,503,429,394.42 - Step 5: Solve for x
x = 95,503,429,394.42/355,702.80 - Step 6: Final answer
x = 268,492.21
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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.