Finding the Fourth Proportional to 230,682.24, 318,157.20 and 159,045.84
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Solution
The fourth proportional to 230,682.24, 318,157.20 and 159,045.84 is: 219,356.20
Step by Step Solution
- Step 1: Write the proportion equation
230,682.24 : 318,157.20 = 159,045.84 : x - Step 2: Convert to fraction form
230,682.24/318,157.20 = 159,045.84/x - Step 3: Cross multiply
230,682.24x = 318,157.20 × 159,045.84 - Step 4: Simplify right side
230,682.24x = 50,601,579,126.05 - Step 5: Solve for x
x = 50,601,579,126.05/230,682.24 - Step 6: Final answer
x = 219,356.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.