Finding the Fourth Proportional to 205,370.70, 307,710.45 and 192,929.10
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Solution
The fourth proportional to 205,370.70, 307,710.45 and 192,929.10 is: 289,068.99
Step by Step Solution
- Step 1: Write the proportion equation
205,370.70 : 307,710.45 = 192,929.10 : x - Step 2: Convert to fraction form
205,370.70/307,710.45 = 192,929.10/x - Step 3: Cross multiply
205,370.70x = 307,710.45 × 192,929.10 - Step 4: Simplify right side
205,370.70x = 59,366,300,179.10 - Step 5: Solve for x
x = 59,366,300,179.10/205,370.70 - Step 6: Final answer
x = 289,068.99
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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.