Finding the Fourth Proportional to 285,135.02, 393,470.70 and 162,609.41
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Solution
The fourth proportional to 285,135.02, 393,470.70 and 162,609.41 is: 224,392.07
Step by Step Solution
- Step 1: Write the proportion equation
285,135.02 : 393,470.70 = 162,609.41 : x - Step 2: Convert to fraction form
285,135.02/393,470.70 = 162,609.41/x - Step 3: Cross multiply
285,135.02x = 393,470.70 × 162,609.41 - Step 4: Simplify right side
285,135.02x = 63,982,038,379.29 - Step 5: Solve for x
x = 63,982,038,379.29/285,135.02 - Step 6: Final answer
x = 224,392.07
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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.