Finding the Fourth Proportional to 354,202.60, 488,795.28 and 193,057.15
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Solution
The fourth proportional to 354,202.60, 488,795.28 and 193,057.15 is: 266,416.52
Step by Step Solution
- Step 1: Write the proportion equation
354,202.60 : 488,795.28 = 193,057.15 : x - Step 2: Convert to fraction form
354,202.60/488,795.28 = 193,057.15/x - Step 3: Cross multiply
354,202.60x = 488,795.28 × 193,057.15 - Step 4: Simplify right side
354,202.60x = 94,365,423,690.25 - Step 5: Solve for x
x = 94,365,423,690.25/354,202.60 - Step 6: Final answer
x = 266,416.52
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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.