Finding the Fourth Proportional to 352,551.98, 486,551.86 and 199,617.12
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Solution
The fourth proportional to 352,551.98, 486,551.86 and 199,617.12 is: 275,488.68
Step by Step Solution
- Step 1: Write the proportion equation
352,551.98 : 486,551.86 = 199,617.12 : x - Step 2: Convert to fraction form
352,551.98/486,551.86 = 199,617.12/x - Step 3: Cross multiply
352,551.98x = 486,551.86 × 199,617.12 - Step 4: Simplify right side
352,551.98x = 97,124,080,524.80 - Step 5: Solve for x
x = 97,124,080,524.80/352,551.98 - Step 6: Final answer
x = 275,488.68
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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.