Finding the Fourth Proportional to 408,466.12, 563,640.06 and 227,148.88
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Solution
The fourth proportional to 408,466.12, 563,640.06 and 227,148.88 is: 313,441.44
Step by Step Solution
- Step 1: Write the proportion equation
408,466.12 : 563,640.06 = 227,148.88 : x - Step 2: Convert to fraction form
408,466.12/563,640.06 = 227,148.88/x - Step 3: Cross multiply
408,466.12x = 563,640.06 × 227,148.88 - Step 4: Simplify right side
408,466.12x = 128,030,208,352.13 - Step 5: Solve for x
x = 128,030,208,352.13/408,466.12 - Step 6: Final answer
x = 313,441.44
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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.