Finding the Fourth Proportional to 819,102.24, 1,229,206.95 and 286,627.95
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Solution
The fourth proportional to 819,102.24, 1,229,206.95 and 286,627.95 is: 430,135.64
Step by Step Solution
- Step 1: Write the proportion equation
819,102.24 : 1,229,206.95 = 286,627.95 : x - Step 2: Convert to fraction form
819,102.24/1,229,206.95 = 286,627.95/x - Step 3: Cross multiply
819,102.24x = 1,229,206.95 × 286,627.95 - Step 4: Simplify right side
819,102.24x = 352,325,068,204.25 - Step 5: Solve for x
x = 352,325,068,204.25/819,102.24 - Step 6: Final answer
x = 430,135.64
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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.