Finding the Fourth Proportional to 618,305.55, 927,546.36 and 191,878.23
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Solution
The fourth proportional to 618,305.55, 927,546.36 and 191,878.23 is: 287,844.66
Step by Step Solution
- Step 1: Write the proportion equation
618,305.55 : 927,546.36 = 191,878.23 : x - Step 2: Convert to fraction form
618,305.55/927,546.36 = 191,878.23/x - Step 3: Cross multiply
618,305.55x = 927,546.36 × 191,878.23 - Step 4: Simplify right side
618,305.55x = 177,975,953,799.74 - Step 5: Solve for x
x = 177,975,953,799.74/618,305.55 - Step 6: Final answer
x = 287,844.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.