Finding the Fourth Proportional to 170,999.24, 256,550.74 and 91,023.58
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Solution
The fourth proportional to 170,999.24, 256,550.74 and 91,023.58 is: 136,562.99
Step by Step Solution
- Step 1: Write the proportion equation
170,999.24 : 256,550.74 = 91,023.58 : x - Step 2: Convert to fraction form
170,999.24/256,550.74 = 91,023.58/x - Step 3: Cross multiply
170,999.24x = 256,550.74 × 91,023.58 - Step 4: Simplify right side
170,999.24x = 23,352,167,411.59 - Step 5: Solve for x
x = 23,352,167,411.59/170,999.24 - Step 6: Final answer
x = 136,562.99
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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.