Finding the Fourth Proportional to 188,741.70, 260,447.67 and 111,204.99
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Solution
The fourth proportional to 188,741.70, 260,447.67 and 111,204.99 is: 153,453.53
Step by Step Solution
- Step 1: Write the proportion equation
188,741.70 : 260,447.67 = 111,204.99 : x - Step 2: Convert to fraction form
188,741.70/260,447.67 = 111,204.99/x - Step 3: Cross multiply
188,741.70x = 260,447.67 × 111,204.99 - Step 4: Simplify right side
188,741.70x = 28,963,080,537.87 - Step 5: Solve for x
x = 28,963,080,537.87/188,741.70 - Step 6: Final answer
x = 153,453.53
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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.