Finding the Fourth Proportional to 183,813.70, 275,720.55 and 154,289.20
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Solution
The fourth proportional to 183,813.70, 275,720.55 and 154,289.20 is: 231,433.80
Step by Step Solution
- Step 1: Write the proportion equation
183,813.70 : 275,720.55 = 154,289.20 : x - Step 2: Convert to fraction form
183,813.70/275,720.55 = 154,289.20/x - Step 3: Cross multiply
183,813.70x = 275,720.55 × 154,289.20 - Step 4: Simplify right side
183,813.70x = 42,540,703,083.06 - Step 5: Solve for x
x = 42,540,703,083.06/183,813.70 - Step 6: Final answer
x = 231,433.80
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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.