Finding the Fourth Proportional to 564,129.98, 845,399.29 and 311,524.19
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Solution
The fourth proportional to 564,129.98, 845,399.29 and 311,524.19 is: 466,846.89
Step by Step Solution
- Step 1: Write the proportion equation
564,129.98 : 845,399.29 = 311,524.19 : x - Step 2: Convert to fraction form
564,129.98/845,399.29 = 311,524.19/x - Step 3: Cross multiply
564,129.98x = 845,399.29 × 311,524.19 - Step 4: Simplify right side
564,129.98x = 263,362,324,038.02 - Step 5: Solve for x
x = 263,362,324,038.02/564,129.98 - Step 6: Final answer
x = 466,846.89
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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.