Finding the Fourth Proportional to 845,480.55, 1,268,202.06 and 205,787.01
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Solution
The fourth proportional to 845,480.55, 1,268,202.06 and 205,787.01 is: 308,675.95
Step by Step Solution
- Step 1: Write the proportion equation
845,480.55 : 1,268,202.06 = 205,787.01 : x - Step 2: Convert to fraction form
845,480.55/1,268,202.06 = 205,787.01/x - Step 3: Cross multiply
845,480.55x = 1,268,202.06 × 205,787.01 - Step 4: Simplify right side
845,480.55x = 260,979,510,003.24 - Step 5: Solve for x
x = 260,979,510,003.24/845,480.55 - Step 6: Final answer
x = 308,675.95
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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.