Finding the Fourth Proportional to 145,029.64, 217,554.94 and 60,704.99
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Solution
The fourth proportional to 145,029.64, 217,554.94 and 60,704.99 is: 91,061.87
Step by Step Solution
- Step 1: Write the proportion equation
145,029.64 : 217,554.94 = 60,704.99 : x - Step 2: Convert to fraction form
145,029.64/217,554.94 = 60,704.99/x - Step 3: Cross multiply
145,029.64x = 217,554.94 × 60,704.99 - Step 4: Simplify right side
145,029.64x = 13,206,670,457.15 - Step 5: Solve for x
x = 13,206,670,457.15/145,029.64 - Step 6: Final answer
x = 91,061.87
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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.