Finding the Fourth Proportional to 190,310.76, 285,470.76 and 63,952.80
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Solution
The fourth proportional to 190,310.76, 285,470.76 and 63,952.80 is: 95,930.75
Step by Step Solution
- Step 1: Write the proportion equation
190,310.76 : 285,470.76 = 63,952.80 : x - Step 2: Convert to fraction form
190,310.76/285,470.76 = 63,952.80/x - Step 3: Cross multiply
190,310.76x = 285,470.76 × 63,952.80 - Step 4: Simplify right side
190,310.76x = 18,256,654,420.13 - Step 5: Solve for x
x = 18,256,654,420.13/190,310.76 - Step 6: Final answer
x = 95,930.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.