Finding the Fourth Proportional to 227,453.64, 313,784.55 and 131,904.99
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Solution
The fourth proportional to 227,453.64, 313,784.55 and 131,904.99 is: 181,970.04
Step by Step Solution
- Step 1: Write the proportion equation
227,453.64 : 313,784.55 = 131,904.99 : x - Step 2: Convert to fraction form
227,453.64/313,784.55 = 131,904.99/x - Step 3: Cross multiply
227,453.64x = 313,784.55 × 131,904.99 - Step 4: Simplify right side
227,453.64x = 41,389,747,929.90 - Step 5: Solve for x
x = 41,389,747,929.90/227,453.64 - Step 6: Final answer
x = 181,970.04
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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.