Finding the Fourth Proportional to 199,609.10, 275,461.26 and 108,967.08
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Solution
The fourth proportional to 199,609.10, 275,461.26 and 108,967.08 is: 150,374.95
Step by Step Solution
- Step 1: Write the proportion equation
199,609.10 : 275,461.26 = 108,967.08 : x - Step 2: Convert to fraction form
199,609.10/275,461.26 = 108,967.08/x - Step 3: Cross multiply
199,609.10x = 275,461.26 × 108,967.08 - Step 4: Simplify right side
199,609.10x = 30,016,209,155.32 - Step 5: Solve for x
x = 30,016,209,155.32/199,609.10 - Step 6: Final answer
x = 150,374.95
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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.