Finding the Fourth Proportional to 352,640.02, 486,628.28 and 199,686.58
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Solution
The fourth proportional to 352,640.02, 486,628.28 and 199,686.58 is: 275,559.02
Step by Step Solution
- Step 1: Write the proportion equation
352,640.02 : 486,628.28 = 199,686.58 : x - Step 2: Convert to fraction form
352,640.02/486,628.28 = 199,686.58/x - Step 3: Cross multiply
352,640.02x = 486,628.28 × 199,686.58 - Step 4: Simplify right side
352,640.02x = 97,173,136,964.48 - Step 5: Solve for x
x = 97,173,136,964.48/352,640.02 - Step 6: Final answer
x = 275,559.02
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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.