Finding the Fourth Proportional to 845,447.95, 1,268,161.12 and 205,752.79
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Solution
The fourth proportional to 845,447.95, 1,268,161.12 and 205,752.79 is: 308,626.56
Step by Step Solution
- Step 1: Write the proportion equation
845,447.95 : 1,268,161.12 = 205,752.79 : x - Step 2: Convert to fraction form
845,447.95/1,268,161.12 = 205,752.79/x - Step 3: Cross multiply
845,447.95x = 1,268,161.12 × 205,752.79 - Step 4: Simplify right side
845,447.95x = 260,927,688,609.53 - Step 5: Solve for x
x = 260,927,688,609.53/845,447.95 - Step 6: Final answer
x = 308,626.56
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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.