Finding the Fourth Proportional to 338,316.75, 466,877.12 and 202,356.43
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Solution
The fourth proportional to 338,316.75, 466,877.12 and 202,356.43 is: 279,251.87
Step by Step Solution
- Step 1: Write the proportion equation
338,316.75 : 466,877.12 = 202,356.43 : x - Step 2: Convert to fraction form
338,316.75/466,877.12 = 202,356.43/x - Step 3: Cross multiply
338,316.75x = 466,877.12 × 202,356.43 - Step 4: Simplify right side
338,316.75x = 94,475,585,072.91 - Step 5: Solve for x
x = 94,475,585,072.91/338,316.75 - Step 6: Final answer
x = 279,251.87
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1.5x scale
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.