Finding the Fourth Proportional to 189,618.09, 284,468.19 and 56,509.07
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Solution
The fourth proportional to 189,618.09, 284,468.19 and 56,509.07 is: 84,775.83
Step by Step Solution
- Step 1: Write the proportion equation
189,618.09 : 284,468.19 = 56,509.07 : x - Step 2: Convert to fraction form
189,618.09/284,468.19 = 56,509.07/x - Step 3: Cross multiply
189,618.09x = 284,468.19 × 56,509.07 - Step 4: Simplify right side
189,618.09x = 16,075,031,439.14 - Step 5: Solve for x
x = 16,075,031,439.14/189,618.09 - Step 6: Final answer
x = 84,775.83
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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.