Finding the Fourth Proportional to 339,753.92, 468,860.70 and 186,794.70
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Solution
The fourth proportional to 339,753.92, 468,860.70 and 186,794.70 is: 257,776.85
Step by Step Solution
- Step 1: Write the proportion equation
339,753.92 : 468,860.70 = 186,794.70 : x - Step 2: Convert to fraction form
339,753.92/468,860.70 = 186,794.70/x - Step 3: Cross multiply
339,753.92x = 468,860.70 × 186,794.70 - Step 4: Simplify right side
339,753.92x = 87,580,693,798.29 - Step 5: Solve for x
x = 87,580,693,798.29/339,753.92 - Step 6: Final answer
x = 257,776.85
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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.