Finding the Fourth Proportional to 396,849.36, 547,497.76 and 224,727.80
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Solution
The fourth proportional to 396,849.36, 547,497.76 and 224,727.80 is: 310,036.95
Step by Step Solution
- Step 1: Write the proportion equation
396,849.36 : 547,497.76 = 224,727.80 : x - Step 2: Convert to fraction form
396,849.36/547,497.76 = 224,727.80/x - Step 3: Cross multiply
396,849.36x = 547,497.76 × 224,727.80 - Step 4: Simplify right side
396,849.36x = 123,037,967,109.73 - Step 5: Solve for x
x = 123,037,967,109.73/396,849.36 - Step 6: Final answer
x = 310,036.95
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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.