Finding the Fourth Proportional to 173,285.81, 259,337.31 and 145,237.53
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Solution
The fourth proportional to 173,285.81, 259,337.31 and 145,237.53 is: 217,360.62
Step by Step Solution
- Step 1: Write the proportion equation
173,285.81 : 259,337.31 = 145,237.53 : x - Step 2: Convert to fraction form
173,285.81/259,337.31 = 145,237.53/x - Step 3: Cross multiply
173,285.81x = 259,337.31 × 145,237.53 - Step 4: Simplify right side
173,285.81x = 37,665,510,341.24 - Step 5: Solve for x
x = 37,665,510,341.24/173,285.81 - Step 6: Final answer
x = 217,360.62
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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.