Finding the Fourth Proportional to 354,201.10, 488,793.21 and 193,055.65
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Solution
The fourth proportional to 354,201.10, 488,793.21 and 193,055.65 is: 266,414.45
Step by Step Solution
- Step 1: Write the proportion equation
354,201.10 : 488,793.21 = 193,055.65 : x - Step 2: Convert to fraction form
354,201.10/488,793.21 = 193,055.65/x - Step 3: Cross multiply
354,201.10x = 488,793.21 × 193,055.65 - Step 4: Simplify right side
354,201.10x = 94,364,288,428.17 - Step 5: Solve for x
x = 94,364,288,428.17/354,201.10 - Step 6: Final answer
x = 266,414.45
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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.