Finding the Fourth Proportional to 207,276.15, 310,879.44 and 57,531.65
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Solution
The fourth proportional to 207,276.15, 310,879.44 and 57,531.65 is: 86,287.82
Step by Step Solution
- Step 1: Write the proportion equation
207,276.15 : 310,879.44 = 57,531.65 : x - Step 2: Convert to fraction form
207,276.15/310,879.44 = 57,531.65/x - Step 3: Cross multiply
207,276.15x = 310,879.44 × 57,531.65 - Step 4: Simplify right side
207,276.15x = 17,885,407,911.47 - Step 5: Solve for x
x = 17,885,407,911.47/207,276.15 - Step 6: Final answer
x = 86,287.82
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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.