Finding the Fourth Proportional to 207,252.70, 310,879.05 and 191,506.30
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Solution
The fourth proportional to 207,252.70, 310,879.05 and 191,506.30 is: 287,259.45
Step by Step Solution
- Step 1: Write the proportion equation
207,252.70 : 310,879.05 = 191,506.30 : x - Step 2: Convert to fraction form
207,252.70/310,879.05 = 191,506.30/x - Step 3: Cross multiply
207,252.70x = 310,879.05 × 191,506.30 - Step 4: Simplify right side
207,252.70x = 59,535,296,613.02 - Step 5: Solve for x
x = 59,535,296,613.02/207,252.70 - Step 6: Final answer
x = 287,259.45
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1.5x scale
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.