Finding the Fourth Proportional to 408,356.76, 563,532.84 and 227,066.70
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Solution
The fourth proportional to 408,356.76, 563,532.84 and 227,066.70 is: 313,352.33
Step by Step Solution
- Step 1: Write the proportion equation
408,356.76 : 563,532.84 = 227,066.70 : x - Step 2: Convert to fraction form
408,356.76/563,532.84 = 227,066.70/x - Step 3: Cross multiply
408,356.76x = 563,532.84 × 227,066.70 - Step 4: Simplify right side
408,356.76x = 127,959,542,320.43 - Step 5: Solve for x
x = 127,959,542,320.43/408,356.76 - Step 6: Final answer
x = 313,352.33
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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.