Finding the Fourth Proportional to 408,941.60, 564,355.92 and 227,660.96
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Solution
The fourth proportional to 408,941.60, 564,355.92 and 227,660.96 is: 314,181.32
Step by Step Solution
- Step 1: Write the proportion equation
408,941.60 : 564,355.92 = 227,660.96 : x - Step 2: Convert to fraction form
408,941.60/564,355.92 = 227,660.96/x - Step 3: Cross multiply
408,941.60x = 564,355.92 × 227,660.96 - Step 4: Simplify right side
408,941.60x = 128,481,810,528.88 - Step 5: Solve for x
x = 128,481,810,528.88/408,941.60 - Step 6: Final answer
x = 314,181.32
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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.