Finding the Fourth Proportional to 307,118.90, 460,743.97 and 107,445.80
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Solution
The fourth proportional to 307,118.90, 460,743.97 and 107,445.80 is: 161,191.66
Step by Step Solution
- Step 1: Write the proportion equation
307,118.90 : 460,743.97 = 107,445.80 : x - Step 2: Convert to fraction form
307,118.90/460,743.97 = 107,445.80/x - Step 3: Cross multiply
307,118.90x = 460,743.97 × 107,445.80 - Step 4: Simplify right side
307,118.90x = 49,505,004,451.83 - Step 5: Solve for x
x = 49,505,004,451.83/307,118.90 - Step 6: Final answer
x = 161,191.66
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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.