Finding the Fourth Proportional to 354,320.08, 488,961.37 and 193,175.09
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Solution
The fourth proportional to 354,320.08, 488,961.37 and 193,175.09 is: 266,581.44
Step by Step Solution
- Step 1: Write the proportion equation
354,320.08 : 488,961.37 = 193,175.09 : x - Step 2: Convert to fraction form
354,320.08/488,961.37 = 193,175.09/x - Step 3: Cross multiply
354,320.08x = 488,961.37 × 193,175.09 - Step 4: Simplify right side
354,320.08x = 94,455,157,245.79 - Step 5: Solve for x
x = 94,455,157,245.79/354,320.08 - Step 6: Final answer
x = 266,581.44
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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.