Finding the Fourth Proportional to 157,797.79, 236,696.70 and 39,469.13
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Solution
The fourth proportional to 157,797.79, 236,696.70 and 39,469.13 is: 59,203.70
Step by Step Solution
- Step 1: Write the proportion equation
157,797.79 : 236,696.70 = 39,469.13 : x - Step 2: Convert to fraction form
157,797.79/236,696.70 = 39,469.13/x - Step 3: Cross multiply
157,797.79x = 236,696.70 × 39,469.13 - Step 4: Simplify right side
157,797.79x = 9,342,212,822.87 - Step 5: Solve for x
x = 9,342,212,822.87/157,797.79 - Step 6: Final answer
x = 59,203.70
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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.