Finding the Fourth Proportional to 828,938.95, 1,243,408.34 and 229,900.09
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Solution
The fourth proportional to 828,938.95, 1,243,408.34 and 229,900.09 is: 344,850.10
Step by Step Solution
- Step 1: Write the proportion equation
828,938.95 : 1,243,408.34 = 229,900.09 : x - Step 2: Convert to fraction form
828,938.95/1,243,408.34 = 229,900.09/x - Step 3: Cross multiply
828,938.95x = 1,243,408.34 × 229,900.09 - Step 4: Simplify right side
828,938.95x = 285,859,681,906.21 - Step 5: Solve for x
x = 285,859,681,906.21/828,938.95 - Step 6: Final answer
x = 344,850.10
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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.