Finding the Fourth Proportional to 223,860.78, 308,920.68 and 133,195.92
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Solution
The fourth proportional to 223,860.78, 308,920.68 and 133,195.92 is: 183,806.09
Step by Step Solution
- Step 1: Write the proportion equation
223,860.78 : 308,920.68 = 133,195.92 : x - Step 2: Convert to fraction form
223,860.78/308,920.68 = 133,195.92/x - Step 3: Cross multiply
223,860.78x = 308,920.68 × 133,195.92 - Step 4: Simplify right side
223,860.78x = 41,146,974,179.63 - Step 5: Solve for x
x = 41,146,974,179.63/223,860.78 - Step 6: Final answer
x = 183,806.09
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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.