Finding the Fourth Proportional to 357,544.70, 493,382.30 and 196,391.42
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Solution
The fourth proportional to 357,544.70, 493,382.30 and 196,391.42 is: 271,004.02
Step by Step Solution
- Step 1: Write the proportion equation
357,544.70 : 493,382.30 = 196,391.42 : x - Step 2: Convert to fraction form
357,544.70/493,382.30 = 196,391.42/x - Step 3: Cross multiply
357,544.70x = 493,382.30 × 196,391.42 - Step 4: Simplify right side
357,544.70x = 96,896,050,499.87 - Step 5: Solve for x
x = 96,896,050,499.87/357,544.70 - Step 6: Final answer
x = 271,004.02
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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.