Finding the Fourth Proportional to 352,491.73, 486,430.84 and 199,526.87
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Solution
The fourth proportional to 352,491.73, 486,430.84 and 199,526.87 is: 275,342.70
Step by Step Solution
- Step 1: Write the proportion equation
352,491.73 : 486,430.84 = 199,526.87 : x - Step 2: Convert to fraction form
352,491.73/486,430.84 = 199,526.87/x - Step 3: Cross multiply
352,491.73x = 486,430.84 × 199,526.87 - Step 4: Simplify right side
352,491.73x = 97,056,022,976.67 - Step 5: Solve for x
x = 97,056,022,976.67/352,491.73 - Step 6: Final answer
x = 275,342.70
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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.