Finding the Fourth Proportional to 177,879.09, 245,477.73 and 97,310.01
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Solution
The fourth proportional to 177,879.09, 245,477.73 and 97,310.01 is: 134,290.32
Step by Step Solution
- Step 1: Write the proportion equation
177,879.09 : 245,477.73 = 97,310.01 : x - Step 2: Convert to fraction form
177,879.09/245,477.73 = 97,310.01/x - Step 3: Cross multiply
177,879.09x = 245,477.73 × 97,310.01 - Step 4: Simplify right side
177,879.09x = 23,887,439,133.69 - Step 5: Solve for x
x = 23,887,439,133.69/177,879.09 - Step 6: Final answer
x = 134,290.32
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1.5x scale
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.