Finding the Fourth Proportional to 285,285.75, 427,768.66 and 195,430.05
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Solution
The fourth proportional to 285,285.75, 427,768.66 and 195,430.05 is: 293,035.50
Step by Step Solution
- Step 1: Write the proportion equation
285,285.75 : 427,768.66 = 195,430.05 : x - Step 2: Convert to fraction form
285,285.75/427,768.66 = 195,430.05/x - Step 3: Cross multiply
285,285.75x = 427,768.66 × 195,430.05 - Step 4: Simplify right side
285,285.75x = 83,598,850,856.52 - Step 5: Solve for x
x = 83,598,850,856.52/285,285.75 - Step 6: Final answer
x = 293,035.50
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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.