Finding the Fourth Proportional to 446,213.75, 615,774.99 and 245,009.75
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Solution
The fourth proportional to 446,213.75, 615,774.99 and 245,009.75 is: 338,113.46
Step by Step Solution
- Step 1: Write the proportion equation
446,213.75 : 615,774.99 = 245,009.75 : x - Step 2: Convert to fraction form
446,213.75/615,774.99 = 245,009.75/x - Step 3: Cross multiply
446,213.75x = 615,774.99 × 245,009.75 - Step 4: Simplify right side
446,213.75x = 150,870,876,356.15 - Step 5: Solve for x
x = 150,870,876,356.15/446,213.75 - Step 6: Final answer
x = 338,113.46
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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.