Finding the Fourth Proportional to 282,709.26, 390,161.07 and 161,888.58
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Solution
The fourth proportional to 282,709.26, 390,161.07 and 161,888.58 is: 223,419.01
Step by Step Solution
- Step 1: Write the proportion equation
282,709.26 : 390,161.07 = 161,888.58 : x - Step 2: Convert to fraction form
282,709.26/390,161.07 = 161,888.58/x - Step 3: Cross multiply
282,709.26x = 390,161.07 × 161,888.58 - Step 4: Simplify right side
282,709.26x = 63,162,621,593.58 - Step 5: Solve for x
x = 63,162,621,593.58/282,709.26 - Step 6: Final answer
x = 223,419.01
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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.