Finding the Fourth Proportional to 461,158.78, 691,572.10 and 194,939.99
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Solution
The fourth proportional to 461,158.78, 691,572.10 and 194,939.99 is: 292,339.79
Step by Step Solution
- Step 1: Write the proportion equation
461,158.78 : 691,572.10 = 194,939.99 : x - Step 2: Convert to fraction form
461,158.78/691,572.10 = 194,939.99/x - Step 3: Cross multiply
461,158.78x = 691,572.10 × 194,939.99 - Step 4: Simplify right side
461,158.78x = 134,815,057,283.58 - Step 5: Solve for x
x = 134,815,057,283.58/461,158.78 - Step 6: Final answer
x = 292,339.79
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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.