Finding the Fourth Proportional to 354,845.80, 532,268.70 and 214,877.80
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Solution
The fourth proportional to 354,845.80, 532,268.70 and 214,877.80 is: 322,316.70
Step by Step Solution
- Step 1: Write the proportion equation
354,845.80 : 532,268.70 = 214,877.80 : x - Step 2: Convert to fraction form
354,845.80/532,268.70 = 214,877.80/x - Step 3: Cross multiply
354,845.80x = 532,268.70 × 214,877.80 - Step 4: Simplify right side
354,845.80x = 114,372,727,264.86 - Step 5: Solve for x
x = 114,372,727,264.86/354,845.80 - Step 6: Final answer
x = 322,316.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.