Finding the Fourth Proportional to 209,303.73, 288,837.72 and 113,810.49
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Solution
The fourth proportional to 209,303.73, 288,837.72 and 113,810.49 is: 157,057.70
Step by Step Solution
- Step 1: Write the proportion equation
209,303.73 : 288,837.72 = 113,810.49 : x - Step 2: Convert to fraction form
209,303.73/288,837.72 = 113,810.49/x - Step 3: Cross multiply
209,303.73x = 288,837.72 × 113,810.49 - Step 4: Simplify right side
209,303.73x = 32,872,762,443.68 - Step 5: Solve for x
x = 32,872,762,443.68/209,303.73 - Step 6: Final answer
x = 157,057.70
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1.5x scale
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.