Finding the Fourth Proportional to 354,188.68, 488,766.12 and 193,040.32
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Solution
The fourth proportional to 354,188.68, 488,766.12 and 193,040.32 is: 266,387.87
Step by Step Solution
- Step 1: Write the proportion equation
354,188.68 : 488,766.12 = 193,040.32 : x - Step 2: Convert to fraction form
354,188.68/488,766.12 = 193,040.32/x - Step 3: Cross multiply
354,188.68x = 488,766.12 × 193,040.32 - Step 4: Simplify right side
354,188.68x = 94,351,568,209.96 - Step 5: Solve for x
x = 94,351,568,209.96/354,188.68 - Step 6: Final answer
x = 266,387.87
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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.