Finding the Fourth Proportional to 408,286.14, 563,422.56 and 227,002.08
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Solution
The fourth proportional to 408,286.14, 563,422.56 and 227,002.08 is: 313,256.02
Step by Step Solution
- Step 1: Write the proportion equation
408,286.14 : 563,422.56 = 227,002.08 : x - Step 2: Convert to fraction form
408,286.14/563,422.56 = 227,002.08/x - Step 3: Cross multiply
408,286.14x = 563,422.56 × 227,002.08 - Step 4: Simplify right side
408,286.14x = 127,898,093,038.93 - Step 5: Solve for x
x = 127,898,093,038.93/408,286.14 - Step 6: Final answer
x = 313,256.02
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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.