Finding the Fourth Proportional to 194,251.49, 290,881.38 and 154,866.05
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Solution
The fourth proportional to 194,251.49, 290,881.38 and 154,866.05 is: 231,903.76
Step by Step Solution
- Step 1: Write the proportion equation
194,251.49 : 290,881.38 = 154,866.05 : x - Step 2: Convert to fraction form
194,251.49/290,881.38 = 154,866.05/x - Step 3: Cross multiply
194,251.49x = 290,881.38 × 154,866.05 - Step 4: Simplify right side
194,251.49x = 45,047,650,339.15 - Step 5: Solve for x
x = 45,047,650,339.15/194,251.49 - Step 6: Final answer
x = 231,903.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.