Finding the Fourth Proportional to 189,768.57, 284,643.14 and 56,649.93
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Solution
The fourth proportional to 189,768.57, 284,643.14 and 56,649.93 is: 84,971.99
Step by Step Solution
- Step 1: Write the proportion equation
189,768.57 : 284,643.14 = 56,649.93 : x - Step 2: Convert to fraction form
189,768.57/284,643.14 = 56,649.93/x - Step 3: Cross multiply
189,768.57x = 284,643.14 × 56,649.93 - Step 4: Simplify right side
189,768.57x = 16,125,013,672.73 - Step 5: Solve for x
x = 16,125,013,672.73/189,768.57 - Step 6: Final answer
x = 84,971.99
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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.