Finding the Fourth Proportional to 229,969.26, 317,338.83 and 127,987.02
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Solution
The fourth proportional to 229,969.26, 317,338.83 and 127,987.02 is: 176,611.65
Step by Step Solution
- Step 1: Write the proportion equation
229,969.26 : 317,338.83 = 127,987.02 : x - Step 2: Convert to fraction form
229,969.26/317,338.83 = 127,987.02/x - Step 3: Cross multiply
229,969.26x = 317,338.83 × 127,987.02 - Step 4: Simplify right side
229,969.26x = 40,615,251,181.99 - Step 5: Solve for x
x = 40,615,251,181.99/229,969.26 - Step 6: Final answer
x = 176,611.65
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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.