Finding the Fourth Proportional to 738,833.20, 1,108,249.80 and 177,867.70
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Solution
The fourth proportional to 738,833.20, 1,108,249.80 and 177,867.70 is: 266,801.55
Step by Step Solution
- Step 1: Write the proportion equation
738,833.20 : 1,108,249.80 = 177,867.70 : x - Step 2: Convert to fraction form
738,833.20/1,108,249.80 = 177,867.70/x - Step 3: Cross multiply
738,833.20x = 1,108,249.80 × 177,867.70 - Step 4: Simplify right side
738,833.20x = 197,121,842,951.46 - Step 5: Solve for x
x = 197,121,842,951.46/738,833.20 - Step 6: Final answer
x = 266,801.55
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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.