Finding the Fourth Proportional to 738,404.98, 1,107,607.36 and 177,439.48
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Solution
The fourth proportional to 738,404.98, 1,107,607.36 and 177,439.48 is: 266,159.19
Step by Step Solution
- Step 1: Write the proportion equation
738,404.98 : 1,107,607.36 = 177,439.48 : x - Step 2: Convert to fraction form
738,404.98/1,107,607.36 = 177,439.48/x - Step 3: Cross multiply
738,404.98x = 1,107,607.36 × 177,439.48 - Step 4: Simplify right side
738,404.98x = 196,533,273,115.38 - Step 5: Solve for x
x = 196,533,273,115.38/738,404.98 - Step 6: Final answer
x = 266,159.19
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1.5x scale
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.