Finding the Fourth Proportional to 274,873.74, 412,022.86 and 115,041.26
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Solution
The fourth proportional to 274,873.74, 412,022.86 and 115,041.26 is: 172,441.46
Step by Step Solution
- Step 1: Write the proportion equation
274,873.74 : 412,022.86 = 115,041.26 : x - Step 2: Convert to fraction form
274,873.74/412,022.86 = 115,041.26/x - Step 3: Cross multiply
274,873.74x = 412,022.86 × 115,041.26 - Step 4: Simplify right side
274,873.74x = 47,399,628,963.20 - Step 5: Solve for x
x = 47,399,628,963.20/274,873.74 - Step 6: Final answer
x = 172,441.46
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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.