Finding the Fourth Proportional to 408,441.24, 563,605.74 and 227,123.88
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Solution
The fourth proportional to 408,441.24, 563,605.74 and 227,123.88 is: 313,406.95
Step by Step Solution
- Step 1: Write the proportion equation
408,441.24 : 563,605.74 = 227,123.88 : x - Step 2: Convert to fraction form
408,441.24/563,605.74 = 227,123.88/x - Step 3: Cross multiply
408,441.24x = 563,605.74 × 227,123.88 - Step 4: Simplify right side
408,441.24x = 128,008,322,459.07 - Step 5: Solve for x
x = 128,008,322,459.07/408,441.24 - Step 6: Final answer
x = 313,406.95
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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.