Finding the Fourth Proportional to 354,560.29, 531,768.90 and 129,844.01
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Solution
The fourth proportional to 354,560.29, 531,768.90 and 129,844.01 is: 194,739.82
Step by Step Solution
- Step 1: Write the proportion equation
354,560.29 : 531,768.90 = 129,844.01 : x - Step 2: Convert to fraction form
354,560.29/531,768.90 = 129,844.01/x - Step 3: Cross multiply
354,560.29x = 531,768.90 × 129,844.01 - Step 4: Simplify right side
354,560.29x = 69,047,006,369.29 - Step 5: Solve for x
x = 69,047,006,369.29/354,560.29 - Step 6: Final answer
x = 194,739.82
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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.