Finding the Fourth Proportional to 355,321.99, 490,345.62 and 194,177.06
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Solution
The fourth proportional to 355,321.99, 490,345.62 and 194,177.06 is: 267,965.04
Step by Step Solution
- Step 1: Write the proportion equation
355,321.99 : 490,345.62 = 194,177.06 : x - Step 2: Convert to fraction form
355,321.99/490,345.62 = 194,177.06/x - Step 3: Cross multiply
355,321.99x = 490,345.62 × 194,177.06 - Step 4: Simplify right side
355,321.99x = 95,213,870,875.48 - Step 5: Solve for x
x = 95,213,870,875.48/355,321.99 - Step 6: Final answer
x = 267,965.04
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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.