Finding the Fourth Proportional to 355,283.64, 490,285.51 and 194,134.99
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Solution
The fourth proportional to 355,283.64, 490,285.51 and 194,134.99 is: 267,903.05
Step by Step Solution
- Step 1: Write the proportion equation
355,283.64 : 490,285.51 = 194,134.99 : x - Step 2: Convert to fraction form
355,283.64/490,285.51 = 194,134.99/x - Step 3: Cross multiply
355,283.64x = 490,285.51 × 194,134.99 - Step 4: Simplify right side
355,283.64x = 95,181,569,158.89 - Step 5: Solve for x
x = 95,181,569,158.89/355,283.64 - Step 6: Final answer
x = 267,903.05
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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.