Finding the Fourth Proportional to 222,928.85, 307,641.79 and 127,437.68
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Solution
The fourth proportional to 222,928.85, 307,641.79 and 127,437.68 is: 175,863.99
Step by Step Solution
- Step 1: Write the proportion equation
222,928.85 : 307,641.79 = 127,437.68 : x - Step 2: Convert to fraction form
222,928.85/307,641.79 = 127,437.68/x - Step 3: Cross multiply
222,928.85x = 307,641.79 × 127,437.68 - Step 4: Simplify right side
222,928.85x = 39,205,155,988.65 - Step 5: Solve for x
x = 39,205,155,988.65/222,928.85 - Step 6: Final answer
x = 175,863.99
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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.