Finding the Fourth Proportional to 207,003.70, 310,505.55 and 193,881.70
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Solution
The fourth proportional to 207,003.70, 310,505.55 and 193,881.70 is: 290,822.55
Step by Step Solution
- Step 1: Write the proportion equation
207,003.70 : 310,505.55 = 193,881.70 : x - Step 2: Convert to fraction form
207,003.70/310,505.55 = 193,881.70/x - Step 3: Cross multiply
207,003.70x = 310,505.55 × 193,881.70 - Step 4: Simplify right side
207,003.70x = 60,201,343,893.44 - Step 5: Solve for x
x = 60,201,343,893.44/207,003.70 - Step 6: Final answer
x = 290,822.55
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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.