Finding the Fourth Proportional to 222,975.18, 307,695.92 and 127,488.13
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Solution
The fourth proportional to 222,975.18, 307,695.92 and 127,488.13 is: 175,927.99
Step by Step Solution
- Step 1: Write the proportion equation
222,975.18 : 307,695.92 = 127,488.13 : x - Step 2: Convert to fraction form
222,975.18/307,695.92 = 127,488.13/x - Step 3: Cross multiply
222,975.18x = 307,695.92 × 127,488.13 - Step 4: Simplify right side
222,975.18x = 39,227,576,042.75 - Step 5: Solve for x
x = 39,227,576,042.75/222,975.18 - Step 6: Final answer
x = 175,927.99
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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.