Finding the Fourth Proportional to 355,159.08, 490,113.38 and 194,009.99
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Solution
The fourth proportional to 355,159.08, 490,113.38 and 194,009.99 is: 267,730.42
Step by Step Solution
- Step 1: Write the proportion equation
355,159.08 : 490,113.38 = 194,009.99 : x - Step 2: Convert to fraction form
355,159.08/490,113.38 = 194,009.99/x - Step 3: Cross multiply
355,159.08x = 490,113.38 × 194,009.99 - Step 4: Simplify right side
355,159.08x = 95,086,889,987.12 - Step 5: Solve for x
x = 95,086,889,987.12/355,159.08 - Step 6: Final answer
x = 267,730.42
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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.