Finding the Fourth Proportional to 189,862.05, 284,793.35 and 77,542.29
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Solution
The fourth proportional to 189,862.05, 284,793.35 and 77,542.29 is: 116,313.55
Step by Step Solution
- Step 1: Write the proportion equation
189,862.05 : 284,793.35 = 77,542.29 : x - Step 2: Convert to fraction form
189,862.05/284,793.35 = 77,542.29/x - Step 3: Cross multiply
189,862.05x = 284,793.35 × 77,542.29 - Step 4: Simplify right side
189,862.05x = 22,083,528,148.06 - Step 5: Solve for x
x = 22,083,528,148.06/189,862.05 - Step 6: Final answer
x = 116,313.55
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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.