Finding the Fourth Proportional to 355,242.17, 490,219.62 and 194,102.75
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Solution
The fourth proportional to 355,242.17, 490,219.62 and 194,102.75 is: 267,853.83
Step by Step Solution
- Step 1: Write the proportion equation
355,242.17 : 490,219.62 = 194,102.75 : x - Step 2: Convert to fraction form
355,242.17/490,219.62 = 194,102.75/x - Step 3: Cross multiply
355,242.17x = 490,219.62 × 194,102.75 - Step 4: Simplify right side
355,242.17x = 95,152,976,345.96 - Step 5: Solve for x
x = 95,152,976,345.96/355,242.17 - Step 6: Final answer
x = 267,853.83
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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.