Finding the Fourth Proportional to 446,210.75, 615,770.84 and 245,006.75
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Solution
The fourth proportional to 446,210.75, 615,770.84 and 245,006.75 is: 338,109.32
Step by Step Solution
- Step 1: Write the proportion equation
446,210.75 : 615,770.84 = 245,006.75 : x - Step 2: Convert to fraction form
446,210.75/615,770.84 = 245,006.75/x - Step 3: Cross multiply
446,210.75x = 615,770.84 × 245,006.75 - Step 4: Simplify right side
446,210.75x = 150,868,011,028.14 - Step 5: Solve for x
x = 150,868,011,028.14/446,210.75 - Step 6: Final answer
x = 338,109.32
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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.