Finding the Fourth Proportional to 355,700.30, 490,862.84 and 194,558.49
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Solution
The fourth proportional to 355,700.30, 490,862.84 and 194,558.49 is: 268,488.76
Step by Step Solution
- Step 1: Write the proportion equation
355,700.30 : 490,862.84 = 194,558.49 : x - Step 2: Convert to fraction form
355,700.30/490,862.84 = 194,558.49/x - Step 3: Cross multiply
355,700.30x = 490,862.84 × 194,558.49 - Step 4: Simplify right side
355,700.30x = 95,501,531,974.72 - Step 5: Solve for x
x = 95,501,531,974.72/355,700.30 - Step 6: Final answer
x = 268,488.76
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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.