Finding the Fourth Proportional to 845,447.21, 1,268,160.01 and 205,752.05
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Solution
The fourth proportional to 845,447.21, 1,268,160.01 and 205,752.05 is: 308,625.45
Step by Step Solution
- Step 1: Write the proportion equation
845,447.21 : 1,268,160.01 = 205,752.05 : x - Step 2: Convert to fraction form
845,447.21/1,268,160.01 = 205,752.05/x - Step 3: Cross multiply
845,447.21x = 1,268,160.01 × 205,752.05 - Step 4: Simplify right side
845,447.21x = 260,926,521,785.52 - Step 5: Solve for x
x = 260,926,521,785.52/845,447.21 - Step 6: Final answer
x = 308,625.45
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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.