Finding the Fourth Proportional to 205,149.44, 306,914.76 and 155,373.44
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Solution
The fourth proportional to 205,149.44, 306,914.76 and 155,373.44 is: 232,447.15
Step by Step Solution
- Step 1: Write the proportion equation
205,149.44 : 306,914.76 = 155,373.44 : x - Step 2: Convert to fraction form
205,149.44/306,914.76 = 155,373.44/x - Step 3: Cross multiply
205,149.44x = 306,914.76 × 155,373.44 - Step 4: Simplify right side
205,149.44x = 47,686,402,047.97 - Step 5: Solve for x
x = 47,686,402,047.97/205,149.44 - Step 6: Final answer
x = 232,447.15
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1.5x scale
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.