Finding the Fourth Proportional to 275,437.11, 380,110.75 and 154,585.88
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Solution
The fourth proportional to 275,437.11, 380,110.75 and 154,585.88 is: 213,332.75
Step by Step Solution
- Step 1: Write the proportion equation
275,437.11 : 380,110.75 = 154,585.88 : x - Step 2: Convert to fraction form
275,437.11/380,110.75 = 154,585.88/x - Step 3: Cross multiply
275,437.11x = 380,110.75 × 154,585.88 - Step 4: Simplify right side
275,437.11x = 58,759,754,786.21 - Step 5: Solve for x
x = 58,759,754,786.21/275,437.11 - Step 6: Final answer
x = 213,332.75
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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.