Finding the Fourth Proportional to 189,499.11, 283,937.63 and 64,772.07
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Solution
The fourth proportional to 189,499.11, 283,937.63 and 64,772.07 is: 97,051.79
Step by Step Solution
- Step 1: Write the proportion equation
189,499.11 : 283,937.63 = 64,772.07 : x - Step 2: Convert to fraction form
189,499.11/283,937.63 = 64,772.07/x - Step 3: Cross multiply
189,499.11x = 283,937.63 × 64,772.07 - Step 4: Simplify right side
189,499.11x = 18,391,227,722.13 - Step 5: Solve for x
x = 18,391,227,722.13/189,499.11 - Step 6: Final answer
x = 97,051.79
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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.