Finding the Fourth Proportional to 91,594.22, 126,385.33 and 51,309.68
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Solution
The fourth proportional to 91,594.22, 126,385.33 and 51,309.68 is: 70,799.12
Step by Step Solution
- Step 1: Write the proportion equation
91,594.22 : 126,385.33 = 51,309.68 : x - Step 2: Convert to fraction form
91,594.22/126,385.33 = 51,309.68/x - Step 3: Cross multiply
91,594.22x = 126,385.33 × 51,309.68 - Step 4: Simplify right side
91,594.22x = 6,484,790,314.00 - Step 5: Solve for x
x = 6,484,790,314.00/91,594.22 - Step 6: Final answer
x = 70,799.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.