Finding the Fourth Proportional to 199,563.36, 275,431.68 and 190,595.04
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Solution
The fourth proportional to 199,563.36, 275,431.68 and 190,595.04 is: 263,053.86
Step by Step Solution
- Step 1: Write the proportion equation
199,563.36 : 275,431.68 = 190,595.04 : x - Step 2: Convert to fraction form
199,563.36/275,431.68 = 190,595.04/x - Step 3: Cross multiply
199,563.36x = 275,431.68 × 190,595.04 - Step 4: Simplify right side
199,563.36x = 52,495,912,066.87 - Step 5: Solve for x
x = 52,495,912,066.87/199,563.36 - Step 6: Final answer
x = 263,053.86
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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.