Finding the Fourth Proportional to 205,035.80, 307,553.70 and 163,563.80
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Solution
The fourth proportional to 205,035.80, 307,553.70 and 163,563.80 is: 245,345.70
Step by Step Solution
- Step 1: Write the proportion equation
205,035.80 : 307,553.70 = 163,563.80 : x - Step 2: Convert to fraction form
205,035.80/307,553.70 = 163,563.80/x - Step 3: Cross multiply
205,035.80x = 307,553.70 × 163,563.80 - Step 4: Simplify right side
205,035.80x = 50,304,651,876.06 - Step 5: Solve for x
x = 50,304,651,876.06/205,035.80 - Step 6: Final answer
x = 245,345.70
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1.5x scale
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.