Finding the Fourth Proportional to 343,730.25, 474,350.99 and 192,830.49
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Solution
The fourth proportional to 343,730.25, 474,350.99 and 192,830.49 is: 266,107.89
Step by Step Solution
- Step 1: Write the proportion equation
343,730.25 : 474,350.99 = 192,830.49 : x - Step 2: Convert to fraction form
343,730.25/474,350.99 = 192,830.49/x - Step 3: Cross multiply
343,730.25x = 474,350.99 × 192,830.49 - Step 4: Simplify right side
343,730.25x = 91,469,332,869.53 - Step 5: Solve for x
x = 91,469,332,869.53/343,730.25 - Step 6: Final answer
x = 266,107.89
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1.5x scale
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.