Finding the Fourth Proportional to 319,550.08, 476,895.08 and 284,121.76
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Solution
The fourth proportional to 319,550.08, 476,895.08 and 284,121.76 is: 424,022.02
Step by Step Solution
- Step 1: Write the proportion equation
319,550.08 : 476,895.08 = 284,121.76 : x - Step 2: Convert to fraction form
319,550.08/476,895.08 = 284,121.76/x - Step 3: Cross multiply
319,550.08x = 476,895.08 × 284,121.76 - Step 4: Simplify right side
319,550.08x = 135,496,269,464.94 - Step 5: Solve for x
x = 135,496,269,464.94/319,550.08 - Step 6: Final answer
x = 424,022.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.