Finding the Fourth Proportional to 493,089.36, 739,348.79 and 193,218.86
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Solution
The fourth proportional to 493,089.36, 739,348.79 and 193,218.86 is: 289,716.50
Step by Step Solution
- Step 1: Write the proportion equation
493,089.36 : 739,348.79 = 193,218.86 : x - Step 2: Convert to fraction form
493,089.36/739,348.79 = 193,218.86/x - Step 3: Cross multiply
493,089.36x = 739,348.79 × 193,218.86 - Step 4: Simplify right side
493,089.36x = 142,856,125,683.34 - Step 5: Solve for x
x = 142,856,125,683.34/493,089.36 - Step 6: Final answer
x = 289,716.50
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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.