Finding the Fourth Proportional to 104,640.66, 156,982.86 and 34,569.18
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Solution
The fourth proportional to 104,640.66, 156,982.86 and 34,569.18 is: 51,860.99
Step by Step Solution
- Step 1: Write the proportion equation
104,640.66 : 156,982.86 = 34,569.18 : x - Step 2: Convert to fraction form
104,640.66/156,982.86 = 34,569.18/x - Step 3: Cross multiply
104,640.66x = 156,982.86 × 34,569.18 - Step 4: Simplify right side
104,640.66x = 5,426,768,744.25 - Step 5: Solve for x
x = 5,426,768,744.25/104,640.66 - Step 6: Final answer
x = 51,860.99
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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.