Finding the Fourth Proportional to 144,943.65, 217,392.08 and 39,738.02
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Solution
The fourth proportional to 144,943.65, 217,392.08 and 39,738.02 is: 59,600.61
Step by Step Solution
- Step 1: Write the proportion equation
144,943.65 : 217,392.08 = 39,738.02 : x - Step 2: Convert to fraction form
144,943.65/217,392.08 = 39,738.02/x - Step 3: Cross multiply
144,943.65x = 217,392.08 × 39,738.02 - Step 4: Simplify right side
144,943.65x = 8,638,729,537.23 - Step 5: Solve for x
x = 8,638,729,537.23/144,943.65 - Step 6: Final answer
x = 59,600.61
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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.